]> git.street.me.uk Git - andy/viking.git/blame - src/viktrwlayer.c
projects / andy / viking.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Remove icons.h (generated)
[andy/viking.git] / src / viktrwlayer.c
CommitLineData
50a14534
EB		 1/*
2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
3 *
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#define WAYPOINT_FONT "Sans 8"
23
24/* WARNING: If you go beyond this point, we are NOT responsible for any ill effects on your sanity */
25/* viktrwlayer.c -- 2200 lines can make a difference in the state of things */
26
27#include "viking.h"
28#include "viktrwlayer_pixmap.h"
29#include "viktrwlayer_tpwin.h"
30#include "viktrwlayer_propwin.h"
acaf7113 31#include "garminsymbols.h"
50a14534
EB		 32#include "thumbnails.h"
33#include "background.h"
34
35#include <math.h>
36#include <string.h>
37#include <stdlib.h>
38#include <ctype.h>
39
40#define VIK_TRW_LAYER_TRACK_GC 13
41#define VIK_TRW_LAYER_TRACK_GC_RATES 10
42#define VIK_TRW_LAYER_TRACK_GC_MIN 0
43#define VIK_TRW_LAYER_TRACK_GC_MAX 11
44#define VIK_TRW_LAYER_TRACK_GC_BLACK 12
45
46#define DRAWMODE_BY_TRACK 0
47#define DRAWMODE_BY_VELOCITY 1
48#define DRAWMODE_ALL_BLACK 2
49
50#define POINTS 1
51#define LINES 2
52
53/* this is how it knows when you click if you are clicking close to a trackpoint. */
54#define TRACKPOINT_SIZE_APPROX 5
55#define WAYPOINT_SIZE_APPROX 5
56
b42a25ba
EB		 57#define MIN_STOP_LENGTH 15
58#define MAX_STOP_LENGTH 86400
59#define DRAW_ELEVATION_FACTOR 30 /* height of elevation plotting, sort of relative to zoom level ("mpp" that isn't mpp necessarily) */
60 /* this is multiplied by user-inputted value from 1-100. */
50a14534
EB		 61enum {
62VIK_TRW_LAYER_SUBLAYER_TRACKS,
63VIK_TRW_LAYER_SUBLAYER_WAYPOINTS,
64VIK_TRW_LAYER_SUBLAYER_TRACK,
65VIK_TRW_LAYER_SUBLAYER_WAYPOINT
66};
67
68enum { WP_SYMBOL_FILLED_SQUARE, WP_SYMBOL_SQUARE, WP_SYMBOL_CIRCLE, WP_SYMBOL_X, WP_NUM_SYMBOLS };
69
70struct _VikTrwLayer {
71 VikLayer vl;
72 GHashTable *tracks;
73 GHashTable *tracks_iters;
74 GHashTable *waypoints_iters;
75 GHashTable *waypoints;
76 GtkTreeIter waypoints_iter, tracks_iter;
77 gboolean tracks_visible, waypoints_visible;
78 guint8 drawmode;
79 guint8 drawpoints;
b42a25ba
EB		 80 guint8 drawelevation;
81 guint8 elevation_factor;
82 guint8 drawstops;
83 guint32 stop_length;
50a14534
EB		 84 guint8 drawlines;
85 guint8 line_thickness;
86 guint8 bg_line_thickness;
87
88 guint8 wp_symbol;
89 guint8 wp_size;
90
91 gdouble velocity_min, velocity_max;
92 GArray *track_gc;
93 guint16 track_gc_iter;
94 GdkGC *track_bg_gc;
95 GdkGC *waypoint_gc;
96 GdkGC *waypoint_text_gc;
97 GdkGC *waypoint_bg_gc;
98 GdkFont *waypoint_font;
99 VikTrack *current_track;
100 guint16 ct_x1, ct_y1, ct_x2, ct_y2;
101
102 VikCoordMode coord_mode;
103
104 /* wp editing tool */
105 VikWaypoint *current_wp;
106 gchar *current_wp_name;
107 gboolean moving_wp;
108 gboolean waypoint_rightclick;
109
110 /* track editing tool */
111 GList *current_tpl;
112 gchar *current_tp_track_name;
113 VikTrwLayerTpwin *tpwin;
114
115 /* weird hack for joining tracks */
116 GList *last_tpl;
117 gchar *last_tp_track_name;
118
119 /* track editing tool -- more specifically, moving tps */
120 gboolean moving_tp;
121
122 gboolean drawlabels;
123 gboolean drawimages;
124 guint8 image_alpha;
125 GQueue *image_cache;
126 guint8 image_size;
127 guint16 image_cache_size;
128
129 /* for waypoint text */
130 PangoLayout *wplabellayout;
131
132 gboolean has_verified_thumbnails;
133
134 GtkMenu *wp_right_click_menu;
135
136};
137
138/* A caached waypoint image. */
139typedef struct {
140 GdkPixbuf *pixbuf;
141 gchar *image; /* filename */
142} CachedPixbuf;
143
144struct DrawingParams {
145 VikViewport *vp;
146 VikTrwLayer *vtl;
147 gdouble xmpp, ympp;
148 guint16 width, height;
149 const VikCoord *center;
150 gint track_gc_iter;
151 gboolean one_zone, lat_lon;
152 gdouble ce1, ce2, cn1, cn2;
153};
154
155static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] );
156static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] );
157
158static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp );
159static void trw_layer_free_track_gcs ( VikTrwLayer *vtl );
160
161static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 );
162static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp );
163static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp );
164
165static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord );
166static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] );
167static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] );
111fa174
AF		 168static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] );
169static void trw_layer_split_by_timestamp ( gpointer pass_along[6] );
50a14534
EB		 170static void trw_layer_centerize ( gpointer layer_and_vlp[2] );
171static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type );
172static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] );
173static void trw_layer_new_wp ( gpointer lav[2] );
174
175/* pop-up items */
176static void trw_layer_properties_item ( gpointer pass_along[5] );
177static void trw_layer_goto_waypoint ( gpointer pass_along[5] );
178static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] );
179
180static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] );
181static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] );
182static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp );
183
184static gboolean tool_new_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
185static gboolean tool_new_track ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
186
187static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp );
188static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp );
189static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id );
190
191static gpointer trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer );
192static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, gpointer item );
193static void trw_layer_free_copied_item ( gint subtype, gpointer item );
70a23263 194static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
50a14534
EB		 195
196static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name );
197static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl );
198static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy );
199static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response );
200static void trw_layer_tpwin_init ( VikTrwLayer *vtl );
201static gboolean tool_edit_trackpoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
202static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
203static gboolean tool_show_picture ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
204
205static gboolean tool_edit_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
206static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
207
208static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str );
209
210static void cached_pixbuf_free ( CachedPixbuf *cp );
211static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name );
212static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp );
213
214static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
215static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
216
217static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode );
218
219static VikToolInterface trw_layer_tools[] = {
220 { "Create Waypoint", (VikToolInterfaceFunc) tool_new_waypoint, NULL },
221 { "Create Track", (VikToolInterfaceFunc) tool_new_track, NULL },
222 { "Edit Waypoint", (VikToolInterfaceFunc) tool_edit_waypoint, (VikToolInterfaceFunc) tool_edit_waypoint_release },
223 { "Edit Trackpoint", (VikToolInterfaceFunc) tool_edit_trackpoint, (VikToolInterfaceFunc) tool_edit_trackpoint_release },
224 { "Show Picture", (VikToolInterfaceFunc) tool_show_picture, NULL },
225};
226
227
228/****** PARAMETERS ******/
229
230static gchar *params_groups[] = { "Waypoints", "Tracks", "Waypoint Images" };
231enum { GROUP_WAYPOINTS, GROUP_TRACKS, GROUP_IMAGES };
232
233static gchar *params_drawmodes[] = { "Draw by Track", "Draw by Velocity", "All Tracks Black", 0 };
234static gchar *params_wpsymbols[] = { "Filled Square", "Square", "Circle", "X", 0 };
235
b42a25ba 236
50a14534
EB		 237static VikLayerParamScale params_scales[] = {
238 /* min max step digits */
239 { 1, 10, 1, 0 }, /* line_thickness */
240 { 0.0, 99.0, 1, 2 }, /* velocity_min */
241 { 1.0, 100.0, 1.0, 2 }, /* velocity_max */
242 /* 5 * step == how much to turn */
243 { 16, 128, 3.2, 0 }, /* image_size */
244 { 0, 255, 5, 0 }, /* image alpha */
245 { 5, 500, 5, 0 }, /* image cache_size */
246 { 0, 8, 1, 0 }, /* image cache_size */
247 { 1, 64, 1, 0 }, /* wpsize */
b42a25ba
EB		 248 { MIN_STOP_LENGTH, MAX_STOP_LENGTH, 1, 0 }, /* stop_length */
249 { 1, 100, 1, 0 }, /* stop_length */
50a14534
EB		 250};
251
252VikLayerParam trw_layer_params[] = {
253 { "tracks_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
254 { "waypoints_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
255
256 { "drawmode", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Drawing Mode:", VIK_LAYER_WIDGET_RADIOGROUP, params_drawmodes },
257 { "drawlines", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Track Lines", VIK_LAYER_WIDGET_CHECKBUTTON },
258 { "drawpoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Trackpoints", VIK_LAYER_WIDGET_CHECKBUTTON },
b42a25ba
EB		 259 { "drawelevation", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Elevation", VIK_LAYER_WIDGET_CHECKBUTTON },
260 { "elevation_factor", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Draw Elevation Height %:", VIK_LAYER_WIDGET_HSCALE, params_scales + 9 },
261
262 { "drawstops", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Stops", VIK_LAYER_WIDGET_CHECKBUTTON },
263 { "stop_length", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Min Stop Length (seconds):", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 8 },
264
50a14534
EB		 265 { "line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 0 },
266 { "bg_line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track BG Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 6 },
267 { "trackbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_TRACKS, "Track Background Color", VIK_LAYER_WIDGET_COLOR, 0 },
268 { "velocity_min", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Min Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 1 },
269 { "velocity_max", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Max Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 2 },
270
271 { "drawlabels", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Labels", VIK_LAYER_WIDGET_CHECKBUTTON },
272 { "wpcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Color:", VIK_LAYER_WIDGET_COLOR, 0 },
273 { "wptextcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Text:", VIK_LAYER_WIDGET_COLOR, 0 },
274 { "wpbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Background:", VIK_LAYER_WIDGET_COLOR, 0 },
275 { "wpbgand", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Fake BG Color Translucency:", VIK_LAYER_WIDGET_CHECKBUTTON, 0 },
276 { "wpsymbol", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint symbol:", VIK_LAYER_WIDGET_RADIOGROUP, params_wpsymbols },
277 { "wpsize", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint size:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 7 },
278
279 { "drawimages", VIK_LAYER_PARAM_BOOLEAN, GROUP_IMAGES, "Draw Waypoint Images", VIK_LAYER_WIDGET_CHECKBUTTON },
280 { "image_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Size (pixels):", VIK_LAYER_WIDGET_HSCALE, params_scales + 3 },
281 { "image_alpha", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Alpha:", VIK_LAYER_WIDGET_HSCALE, params_scales + 4 },
282 { "image_cache_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Memory Cache Size:", VIK_LAYER_WIDGET_HSCALE, params_scales + 5 },
283};
284
b42a25ba 285enum { PARAM_TV, PARAM_WV, PARAM_DM, PARAM_DL, PARAM_DP, PARAM_DE, PARAM_EF, PARAM_DS, PARAM_SL, PARAM_LT, PARAM_BLT, PARAM_TBGC, PARAM_VMIN, PARAM_VMAX, PARAM_DLA, PARAM_WPC, PARAM_WPTC, PARAM_WPBC, PARAM_WPBA, PARAM_WPSYM, PARAM_WPSIZE, PARAM_DI, PARAM_IS, PARAM_IA, PARAM_ICS, NUM_PARAMS };
50a14534
EB		 286
287/****** END PARAMETERS ******/
288
289VikLayerInterface vik_trw_layer_interface = {
290 "TrackWaypoint",
291 &trwlayer_pixbuf,
292
293 trw_layer_tools,
294 sizeof(trw_layer_tools) / sizeof(VikToolInterface),
295
296 trw_layer_params,
297 NUM_PARAMS,
298 params_groups, /* params_groups */
299 sizeof(params_groups)/sizeof(params_groups[0]), /* number of groups */
300
301 (VikLayerFuncCreate) vik_trw_layer_create,
302 (VikLayerFuncRealize) vik_trw_layer_realize,
303 (VikLayerFuncPostRead) trw_layer_verify_thumbnails,
304 (VikLayerFuncFree) vik_trw_layer_free,
305
306 (VikLayerFuncProperties) NULL,
307 (VikLayerFuncDraw) vik_trw_layer_draw,
308 (VikLayerFuncChangeCoordMode) trw_layer_change_coord_mode,
309
310 (VikLayerFuncAddMenuItems) vik_trw_layer_add_menu_items,
311 (VikLayerFuncSublayerAddMenuItems) vik_trw_layer_sublayer_add_menu_items,
312
313 (VikLayerFuncSublayerRenameRequest) vik_trw_layer_sublayer_rename_request,
314 (VikLayerFuncSublayerToggleVisible) vik_trw_layer_sublayer_toggle_visible,
315
316 (VikLayerFuncCopy) trw_layer_copy,
317
318 (VikLayerFuncSetParam) trw_layer_set_param,
319 (VikLayerFuncGetParam) trw_layer_get_param,
320
321 (VikLayerFuncReadFileData) a_gpspoint_read_file,
322 (VikLayerFuncWriteFileData) a_gpspoint_write_file,
323
324 (VikLayerFuncCopyItem) trw_layer_copy_item,
325 (VikLayerFuncPasteItem) trw_layer_paste_item,
326 (VikLayerFuncFreeCopiedItem) trw_layer_free_copied_item,
70a23263
AF		 327
328 (VikLayerFuncDragDropRequest) trw_layer_drag_drop_request,
50a14534
EB		 329};
330
331/* for copy & paste (I think?) */
332typedef struct {
333 gchar *name;
334 VikWaypoint *wp;
335} NamedWaypoint;
336
337typedef struct {
338 gchar *name;
339 VikTrack *tr;
340} NamedTrack;
341
342GType vik_trw_layer_get_type ()
343{
344 static GType vtl_type = 0;
345
346 if (!vtl_type)
347 {
348 static const GTypeInfo vtl_info =
349 {
350 sizeof (VikTrwLayerClass),
351 NULL, /* base_init */
352 NULL, /* base_finalize */
353 NULL, /* class init */
354 NULL, /* class_finalize */
355 NULL, /* class_data */
356 sizeof (VikTrwLayer),
357 0,
358 NULL /* instance init */
359 };
360 vtl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikTrwLayer", &vtl_info, 0 );
361 }
362
363 return vtl_type;
364}
365
366
367static gpointer trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer )
368{
369 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && sublayer )
370 {
371 NamedWaypoint *nw = g_malloc ( sizeof ( NamedWaypoint ) );
372 nw->name = g_strdup(sublayer);
373 nw->wp = vik_waypoint_copy ( g_hash_table_lookup ( vtl->waypoints, sublayer ) );
374 return nw;
375 }
376 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && sublayer )
377 {
378 NamedTrack *nt = g_malloc ( sizeof ( NamedTrack ) );
379 nt->name = g_strdup(sublayer);
380 nt->tr = g_hash_table_lookup ( vtl->tracks, sublayer );
381 vik_track_ref(nt->tr);
382 return nt;
383 }
384 return NULL;
385}
386
387static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, gpointer item )
388{
389 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && item )
390 {
391 NamedWaypoint *nw = (NamedWaypoint *) item;
392 vik_trw_layer_add_waypoint ( vtl, g_strdup(nw->name), vik_waypoint_copy(nw->wp) );
393 return TRUE;
394 }
395 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && item )
396 {
397 NamedTrack *nt = (NamedTrack *) item;
398 vik_trw_layer_add_track ( vtl, g_strdup(nt->name), vik_track_copy(nt->tr) );
399 return TRUE;
400 }
401 return FALSE;
402}
403
404static void trw_layer_free_copied_item ( gint subtype, gpointer item )
405{
406 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && item )
407 {
408 NamedWaypoint *nw = (NamedWaypoint *) item;
409 g_free ( nw->name );
410 vik_waypoint_free ( nw->wp );
411 g_free ( nw );
412 }
413 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && item )
414 {
415 NamedTrack *nt = (NamedTrack *) item;
416 g_free ( nt->name );
417 vik_track_free ( nt->tr );
418 g_free ( nt );
419 }
420}
421
422static void waypoint_copy ( const gchar *name, VikWaypoint *wp, GHashTable *dest )
423{
424 g_hash_table_insert ( dest, g_strdup(name), vik_waypoint_copy(wp) );
425}
426
427static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp )
428{
429 switch ( id )
430 {
431 case PARAM_TV: vtl->tracks_visible = data.b; break;
432 case PARAM_WV: vtl->waypoints_visible = data.b; break;
433 case PARAM_DM: vtl->drawmode = data.u; break;
434 case PARAM_DP: vtl->drawpoints = data.b; break;
b42a25ba
EB		 435 case PARAM_DE: vtl->drawelevation = data.b; break;
436 case PARAM_DS: vtl->drawstops = data.b; break;
50a14534 437 case PARAM_DL: vtl->drawlines = data.b; break;
b42a25ba
EB		 438 case PARAM_SL: if ( data.u >= MIN_STOP_LENGTH && data.u <= MAX_STOP_LENGTH )
439 vtl->stop_length = data.u;
440 break;
441 case PARAM_EF: if ( data.u >= 1 && data.u <= 100 )
442 vtl->elevation_factor = data.u;
443 break;
50a14534
EB		 444 case PARAM_LT: if ( data.u > 0 && data.u < 15 && data.u != vtl->line_thickness )
445 {
446 vtl->line_thickness = data.u;
447 trw_layer_new_track_gcs ( vtl, vp );
448 }
449 break;
450 case PARAM_BLT: if ( data.u > 0 && data.u <= 8 && data.u != vtl->bg_line_thickness )
451 {
452 vtl->bg_line_thickness = data.u;
453 trw_layer_new_track_gcs ( vtl, vp );
454 }
455 break;
456 case PARAM_VMIN: vtl->velocity_min = data.d; break;
457 case PARAM_VMAX: vtl->velocity_max = data.d; break;
458 case PARAM_TBGC: gdk_gc_set_rgb_fg_color(vtl->track_bg_gc, &(data.c)); break;
459 case PARAM_DLA: vtl->drawlabels = data.b; break;
460 case PARAM_DI: vtl->drawimages = data.b; break;
461 case PARAM_IS: if ( data.u != vtl->image_size )
462 {
463 vtl->image_size = data.u;
464 g_list_foreach ( vtl->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
465 g_queue_free ( vtl->image_cache );
466 vtl->image_cache = g_queue_new ();
467 }
468 break;
469 case PARAM_IA: vtl->image_alpha = data.u; break;
470 case PARAM_ICS: vtl->image_cache_size = data.u;
471 while ( vtl->image_cache->length > vtl->image_cache_size ) /* if shrinking cache_size, free pixbuf ASAP */
472 cached_pixbuf_free ( g_queue_pop_tail ( vtl->image_cache ) );
473 break;
474 case PARAM_WPC: gdk_gc_set_rgb_fg_color(vtl->waypoint_gc, &(data.c)); break;
475 case PARAM_WPTC: gdk_gc_set_rgb_fg_color(vtl->waypoint_text_gc, &(data.c)); break;
476 case PARAM_WPBC: gdk_gc_set_rgb_fg_color(vtl->waypoint_bg_gc, &(data.c)); break;
477 case PARAM_WPBA: gdk_gc_set_function(vtl->waypoint_bg_gc, data.b ? GDK_AND : GDK_COPY ); break;
478 case PARAM_WPSYM: if ( data.u < WP_NUM_SYMBOLS ) vtl->wp_symbol = data.u; break;
479 case PARAM_WPSIZE: if ( data.u > 0 && data.u <= 64 ) vtl->wp_size = data.u; break;
480 }
481 return TRUE;
482}
483
484static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id )
485{
486 VikLayerParamData rv;
487 switch ( id )
488 {
489 case PARAM_TV: rv.b = vtl->tracks_visible; break;
490 case PARAM_WV: rv.b = vtl->waypoints_visible; break;
491 case PARAM_DM: rv.u = vtl->drawmode; break;
492 case PARAM_DP: rv.b = vtl->drawpoints; break;
b42a25ba
EB		 493 case PARAM_DE: rv.b = vtl->drawelevation; break;
494 case PARAM_EF: rv.u = vtl->elevation_factor; break;
495 case PARAM_DS: rv.b = vtl->drawstops; break;
496 case PARAM_SL: rv.u = vtl->stop_length; break;
50a14534
EB		 497 case PARAM_DL: rv.b = vtl->drawlines; break;
498 case PARAM_LT: rv.u = vtl->line_thickness; break;
499 case PARAM_BLT: rv.u = vtl->bg_line_thickness; break;
500 case PARAM_VMIN: rv.d = vtl->velocity_min; break;
501 case PARAM_VMAX: rv.d = vtl->velocity_max; break;
502 case PARAM_DLA: rv.b = vtl->drawlabels; break;
503 case PARAM_DI: rv.b = vtl->drawimages; break;
504 case PARAM_TBGC: vik_gc_get_fg_color(vtl->track_bg_gc, &(rv.c)); break;
505 case PARAM_IS: rv.u = vtl->image_size; break;
506 case PARAM_IA: rv.u = vtl->image_alpha; break;
507 case PARAM_ICS: rv.u = vtl->image_cache_size; break;
508 case PARAM_WPC: vik_gc_get_fg_color(vtl->waypoint_gc, &(rv.c)); break;
509 case PARAM_WPTC: vik_gc_get_fg_color(vtl->waypoint_text_gc, &(rv.c)); break;
510 case PARAM_WPBC: vik_gc_get_fg_color(vtl->waypoint_bg_gc, &(rv.c)); break;
511 case PARAM_WPBA: rv.b = (vik_gc_get_function(vtl->waypoint_bg_gc)==GDK_AND); break;
512 case PARAM_WPSYM: rv.u = vtl->wp_symbol; break;
513 case PARAM_WPSIZE: rv.u = vtl->wp_size; break;
514 }
515 return rv;
516}
517
518static void track_copy ( const gchar *name, VikTrack *tr, GHashTable *dest )
519{
520 g_hash_table_insert ( dest, g_strdup ( name ), vik_track_copy(tr) );
521}
522
523static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp )
524{
525 VikTrwLayer *rv = vik_trw_layer_new ( vtl->drawmode );
526 PangoFontDescription *pfd;
527 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
528 pfd = pango_font_description_from_string (WAYPOINT_FONT);
529 pango_layout_set_font_description (rv->wplabellayout, pfd);
530 /* freeing PangoFontDescription, cause it has been copied by prev. call */
531 pango_font_description_free (pfd);
532
533 rv->tracks_visible = vtl->tracks_visible;
534 rv->waypoints_visible = vtl->waypoints_visible;
535 rv->drawpoints = vtl->drawpoints;
b42a25ba
EB		 536 rv->drawstops = vtl->drawstops;
537 rv->drawelevation = vtl->drawelevation;
538 rv->elevation_factor = vtl->elevation_factor;
50a14534 539 rv->drawlines = vtl->drawlines;
b42a25ba 540 rv->stop_length = vtl->stop_length;
50a14534
EB		 541 rv->line_thickness = vtl->line_thickness;
542 rv->bg_line_thickness = vtl->bg_line_thickness;
543 rv->velocity_min = vtl->velocity_min;
544 rv->velocity_max = vtl->velocity_max;
545 rv->drawlabels = vtl->drawlabels;
546 rv->drawimages = vtl->drawimages;
547 rv->image_size = vtl->image_size;
548 rv->image_alpha = vtl->image_alpha;
549 rv->image_cache_size = vtl->image_cache_size;
550 rv->has_verified_thumbnails = TRUE;
551 rv->coord_mode = vtl->coord_mode;
552 rv->wp_symbol = vtl->wp_symbol;
553 rv->wp_size = vtl->wp_size;
554
555 trw_layer_new_track_gcs ( rv, VIK_VIEWPORT(vp) );
556
557 rv->waypoint_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
558 gdk_gc_set_line_attributes ( rv->waypoint_gc, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
559
560 rv->waypoint_text_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
561 rv->waypoint_bg_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
562 gdk_gc_copy ( rv->waypoint_gc, vtl->waypoint_gc );
563 gdk_gc_copy ( rv->waypoint_text_gc, vtl->waypoint_text_gc );
564 gdk_gc_copy ( rv->waypoint_bg_gc, vtl->waypoint_bg_gc );
565
566 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
567
568 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_copy, rv->waypoints );
569 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_copy, rv->tracks );
570
571 return rv;
572}
573
574VikTrwLayer *vik_trw_layer_new ( gint drawmode )
575{
576 VikTrwLayer *rv = VIK_TRW_LAYER ( g_object_new ( VIK_TRW_LAYER_TYPE, NULL ) );
577 vik_layer_init ( VIK_LAYER(rv), VIK_LAYER_TRW );
578
579 rv->waypoints = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_waypoint_free );
580 rv->tracks = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_track_free );
581 rv->tracks_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
582 rv->waypoints_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
583
584 /* TODO: constants at top */
585 rv->waypoints_visible = rv->tracks_visible = TRUE;
586 rv->drawmode = drawmode;
587 rv->drawpoints = TRUE;
b42a25ba
EB		 588 rv->drawstops = FALSE;
589 rv->drawelevation = FALSE;
590 rv->elevation_factor = 30;
591 rv->stop_length = 60;
50a14534
EB		 592 rv->drawlines = TRUE;
593 rv->wplabellayout = NULL;
594 rv->wp_right_click_menu = NULL;
595 rv->waypoint_gc = NULL;
596 rv->waypoint_text_gc = NULL;
597 rv->waypoint_bg_gc = NULL;
598 rv->track_gc = NULL;
599 rv->velocity_max = 5.0;
600 rv->velocity_min = 0.0;
601 rv->line_thickness = 1;
b42a25ba 602 rv->bg_line_thickness = 0;
50a14534
EB		 603 rv->current_wp = NULL;
604 rv->current_wp_name = NULL;
605 rv->current_track = NULL;
606 rv->current_tpl = NULL;
607 rv->current_tp_track_name = NULL;
608 rv->moving_tp = FALSE;
609 rv->moving_wp = FALSE;
610 rv->waypoint_rightclick = FALSE;
611 rv->last_tpl = NULL;
612 rv->last_tp_track_name = NULL;
613 rv->tpwin = NULL;
614 rv->image_cache = g_queue_new();
615 rv->image_size = 64;
616 rv->image_alpha = 255;
617 rv->image_cache_size = 300;
618 rv->drawimages = TRUE;
619 rv->drawlabels = TRUE;
620 return rv;
621}
622
623
624void vik_trw_layer_free ( VikTrwLayer *trwlayer )
625{
626 g_hash_table_destroy(trwlayer->waypoints);
627 g_hash_table_destroy(trwlayer->tracks);
628
629 /* ODC: replace with GArray */
630 trw_layer_free_track_gcs ( trwlayer );
631
632 if ( trwlayer->wp_right_click_menu )
633 gtk_object_sink ( GTK_OBJECT(trwlayer->wp_right_click_menu) );
634
635 if ( trwlayer->wplabellayout != NULL)
636 g_object_unref ( G_OBJECT ( trwlayer->wplabellayout ) );
637
638 if ( trwlayer->waypoint_gc != NULL )
639 g_object_unref ( G_OBJECT ( trwlayer->waypoint_gc ) );
640
641 if ( trwlayer->waypoint_text_gc != NULL )
642 g_object_unref ( G_OBJECT ( trwlayer->waypoint_text_gc ) );
643
644 if ( trwlayer->waypoint_bg_gc != NULL )
645 g_object_unref ( G_OBJECT ( trwlayer->waypoint_bg_gc ) );
646
647 if ( trwlayer->waypoint_font != NULL )
648 gdk_font_unref ( trwlayer->waypoint_font );
649
650 if ( trwlayer->tpwin != NULL )
651 gtk_widget_destroy ( GTK_WIDGET(trwlayer->tpwin) );
652
653 g_list_foreach ( trwlayer->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
654 g_queue_free ( trwlayer->image_cache );
655}
656
657static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp )
658{
659 dp->vp = vp;
660 dp->xmpp = vik_viewport_get_xmpp ( vp );
661 dp->ympp = vik_viewport_get_ympp ( vp );
662 dp->width = vik_viewport_get_width ( vp );
663 dp->height = vik_viewport_get_height ( vp );
664 dp->center = vik_viewport_get_center ( vp );
665 dp->one_zone = vik_viewport_is_one_zone ( vp ); /* false if some other projection besides UTM */
666 dp->lat_lon = vik_viewport_get_coord_mode ( vp ) == VIK_COORD_LATLON;
667
668 if ( dp->one_zone )
669 {
670 gint w2, h2;
671 w2 = dp->xmpp * (dp->width / 2) + 1600 / dp->xmpp;
672 h2 = dp->ympp * (dp->height / 2) + 1600 / dp->ympp;
673 /* leniency -- for tracks. Obviously for waypoints this SHOULD be a lot smaller */
674
675 dp->ce1 = dp->center->east_west-w2;
676 dp->ce2 = dp->center->east_west+w2;
677 dp->cn1 = dp->center->north_south-h2;
678 dp->cn2 = dp->center->north_south+h2;
679 } else if ( dp->lat_lon ) {
680 VikCoord upperleft, bottomright;
681 /* quick & dirty calculation; really want to check all corners due to lat/lon smaller at top in northern hemisphere */
682 /* this also DOESN'T WORK if you are crossing 180/-180 lon. I don't plan to in the near future... */
683 vik_viewport_screen_to_coord ( vp, -500, -500, &upperleft );
684 vik_viewport_screen_to_coord ( vp, dp->width+500, dp->height+500, &bottomright );
685 dp->ce1 = upperleft.east_west;
686 dp->ce2 = bottomright.east_west;
687 dp->cn1 = bottomright.north_south;
688 dp->cn2 = upperleft.north_south;
689 }
690
691 dp->track_gc_iter = 0;
692}
693
694static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 )
695{
696 static gdouble rv = 0;
697 if ( tp1->has_timestamp && tp2->has_timestamp )
698 {
699 rv = ( vik_coord_diff ( &(tp1->coord), &(tp2->coord) )
700 / (tp1->timestamp - tp2->timestamp) ) - vtl->velocity_min;
701
702 if ( rv < 0 )
703 return VIK_TRW_LAYER_TRACK_GC_MIN;
704 else if ( vtl->velocity_min >= vtl->velocity_max )
705 return VIK_TRW_LAYER_TRACK_GC_MAX;
706
707 rv *= (VIK_TRW_LAYER_TRACK_GC_RATES / (vtl->velocity_max - vtl->velocity_min));
708
709 if ( rv >= VIK_TRW_LAYER_TRACK_GC_MAX )
710 return VIK_TRW_LAYER_TRACK_GC_MAX;
711 return (gint) rv;
712 }
713 else
714 return VIK_TRW_LAYER_TRACK_GC_BLACK;
715}
716
717void draw_utm_skip_insignia ( VikViewport *vvp, GdkGC *gc, gint x, gint y )
718{
719 vik_viewport_draw_line ( vvp, gc, x+5, y, x-5, y );
720 vik_viewport_draw_line ( vvp, gc, x, y+5, x, y-5 );
721 vik_viewport_draw_line ( vvp, gc, x+5, y+5, x-5, y-5 );
722 vik_viewport_draw_line ( vvp, gc, x+5, y-5, x-5, y+5 );
723}
724
725static void trw_layer_draw_track ( const gchar *name, VikTrack *track, struct DrawingParams *dp, gboolean drawing_white_background )
726{
727 /* TODO: this function is a mess, get rid of any redundancy */
728 GList *list = track->trackpoints;
729 gboolean useoldvals = TRUE;
730
731 gboolean drawpoints;
b42a25ba
EB		 732 gboolean drawstops;
733 gboolean drawelevation;
734 gdouble min_alt, max_alt, alt_diff;
50a14534
EB		 735
736 const guint8 tp_size_reg = 2;
737 const guint8 tp_size_cur = 4;
738 guint8 tp_size;
739
b42a25ba
EB		 740 if ( dp->vtl->drawelevation )
741 {
742 /* assume if it has elevation at the beginning, it has it throughout. not ness a true good assumption */
743 if ( ( drawelevation = vik_track_get_minmax_alt ( track, &min_alt, &max_alt ) ) )
744 alt_diff = max_alt - min_alt;
745 }
746
50a14534
EB		 747 if ( ! track->visible )
748 return;
749
750 /* admittedly this is not an efficient way to do it because we go through the whole GC thing all over... */
751 if ( dp->vtl->bg_line_thickness && !drawing_white_background )
752 trw_layer_draw_track ( name, track, dp, TRUE );
753
754 if ( drawing_white_background )
b42a25ba
EB		 755 drawpoints = drawstops = FALSE;
756 else {
50a14534 757 drawpoints = dp->vtl->drawpoints;
b42a25ba
EB		 758 drawstops = dp->vtl->drawstops;
759 }
50a14534
EB		 760
761 if (list) {
762 int x, y, oldx, oldy;
763 VikTrackpoint *tp = VIK_TRACKPOINT(list->data);
764
765 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
766
767 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
768
769 if ( (drawpoints) && dp->track_gc_iter < VIK_TRW_LAYER_TRACK_GC )
770 {
771 GdkPoint trian[3] = { { x, y-(3*tp_size) }, { x-(2*tp_size), y+(2*tp_size) }, {x+(2*tp_size), y+(2*tp_size)} };
772 vik_viewport_draw_polygon ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, trian, 3 );
773 }
774
775 oldx = x;
776 oldy = y;
777
778 if ( dp->vtl->drawmode == DRAWMODE_ALL_BLACK )
779 dp->track_gc_iter = VIK_TRW_LAYER_TRACK_GC_MAX + 1;
780
781 while ((list = g_list_next(list)))
782 {
783 tp = VIK_TRACKPOINT(list->data);
784 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
785
786 /* check some stuff -- but only if we're in UTM and there's only ONE ZONE; or lat lon */
787 if ( (!dp->one_zone && !dp->lat_lon) || /* UTM & zones; do everything */
788 ( ((!dp->one_zone) || tp->coord.utm_zone == dp->center->utm_zone) && /* only check zones if UTM & one_zone */
789 tp->coord.east_west < dp->ce2 && tp->coord.east_west > dp->ce1 && /* both UTM and lat lon */
790 tp->coord.north_south > dp->cn1 && tp->coord.north_south < dp->cn2 ) )
791 {
792 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
793
794 if ( drawpoints && ! drawing_white_background )
795 {
796 if ( list->next ) {
797 vik_viewport_draw_rectangle ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-tp_size, y-tp_size, 2*tp_size, 2*tp_size );
798
734652bf
EB		 799 vik_viewport_draw_rectangle ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-tp_size, y-tp_size, 2*tp_size, 2*tp_size );
800
50a14534 801 /* stops */
b42a25ba 802 if ( drawstops && VIK_TRACKPOINT(list->next->data)->timestamp - VIK_TRACKPOINT(list->data)->timestamp > dp->vtl->stop_length )
50a14534
EB		 803 vik_viewport_draw_arc ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, 11), TRUE, x-(3*tp_size), y-(3*tp_size), 6*tp_size, 6*tp_size, 0, 360*64 );
804 }
805 else
806 vik_viewport_draw_arc ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-(2*tp_size), y-(2*tp_size), 4*tp_size, 4*tp_size, 0, 360*64 );
807 }
808
809 if ((!tp->newsegment) && (dp->vtl->drawlines))
810 {
811 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
812
813 /* UTM only: zone check */
814 if ( drawpoints && dp->vtl->coord_mode == VIK_COORD_UTM && tp->coord.utm_zone != dp->center->utm_zone )
815 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y);
816
817 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
818 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
819
820 if (!useoldvals)
821 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &oldx, &oldy );
822
8c4f1350 823 if ( drawing_white_background ) {
50a14534 824 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
8c4f1350
EB		 825 }
826 else {
8c4f1350 827
50a14534 828 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
b42a25ba
EB		 829 if ( dp->vtl->drawelevation && list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
830 GdkPoint tmp[4];
831 #define FIXALTITUDE(what) ((VIK_TRACKPOINT((what))->altitude-min_alt)/alt_diff*DRAW_ELEVATION_FACTOR*dp->vtl->elevation_factor/dp->xmpp)
832 if ( list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
833 tmp[0].x = oldx;
834 tmp[0].y = oldy;
835 tmp[1].x = oldx;
836 tmp[1].y = oldy-FIXALTITUDE(list->data);
837 tmp[2].x = x;
838 tmp[2].y = y-FIXALTITUDE(list->next->data);
839 tmp[3].x = x;
840 tmp[3].y = y;
841
842 GdkGC *tmp_gc;
843 if ( ((oldx - x) > 0 && (oldy - y) > 0) || ((oldx - x) < 0 && (oldy - y) < 0))
844 tmp_gc = GTK_WIDGET(dp->vp)->style->light_gc[3];
845 else
846 tmp_gc = GTK_WIDGET(dp->vp)->style->dark_gc[0];
847 vik_viewport_draw_polygon ( dp->vp, tmp_gc, TRUE, tmp, 4);
848 }
8c4f1350
EB		 849 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy-FIXALTITUDE(list->data), x, y-FIXALTITUDE(list->next->data));
850 }
851 }
50a14534
EB		 852 }
853
854 oldx = x;
855 oldy = y;
856 useoldvals = TRUE;
857 }
858 else {
859 if (useoldvals && dp->vtl->drawlines && (!tp->newsegment))
860 {
861 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
862 if ( dp->vtl->coord_mode != VIK_COORD_UTM || tp->coord.utm_zone == dp->center->utm_zone )
863 {
864 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
865 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
866 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
867
868 if ( drawing_white_background )
869 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
870 else
871 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
872 }
873 else
874 {
875 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &x, &y );
876 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y );
877 }
878 }
879 useoldvals = FALSE;
880 }
881 }
882 }
883 if ( dp->vtl->drawmode == DRAWMODE_BY_TRACK )
884 if ( ++(dp->track_gc_iter) >= VIK_TRW_LAYER_TRACK_GC )
885 dp->track_gc_iter = 0;
886}
887
888/* the only reason this exists is so that trw_layer_draw_track can first call itself to draw the white track background */
889static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp )
890{
891 trw_layer_draw_track ( name, track, dp, FALSE );
892}
893
894static void cached_pixbuf_free ( CachedPixbuf *cp )
895{
896 g_object_unref ( G_OBJECT(cp->pixbuf) );
897 g_free ( cp->image );
898}
899
900static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name )
901{
902 return strcmp ( cp->image, name );
903}
904
905static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp )
906{
907 if ( wp->visible )
908 if ( (!dp->one_zone) || ( wp->coord.utm_zone == dp->center->utm_zone &&
909 wp->coord.east_west < dp->ce2 && wp->coord.east_west > dp->ce1 &&
910 wp->coord.north_south > dp->cn1 && wp->coord.north_south < dp->cn2 ) )
911 {
912 gint x, y;
acaf7113 913 GdkPixbuf *sym;
50a14534
EB		 914 vik_viewport_coord_to_screen ( dp->vp, &(wp->coord), &x, &y );
915
916 /* if in shrunken_cache, get that. If not, get and add to shrunken_cache */
917
918 if ( wp->image && dp->vtl->drawimages )
919 {
920 GdkPixbuf *pixbuf = NULL;
921 GList *l;
922
923 if ( dp->vtl->image_alpha == 0)
924 return;
925
926 l = g_list_find_custom ( dp->vtl->image_cache->head, wp->image, (GCompareFunc) cached_pixbuf_cmp );
927 if ( l )
928 pixbuf = ((CachedPixbuf *) l->data)->pixbuf;
929 else
930 {
931 gchar *image = wp->image;
932 GdkPixbuf *regularthumb = a_thumbnails_get ( wp->image );
933 if ( ! regularthumb )
934 {
935 regularthumb = a_thumbnails_get_default (); /* cache one 'not yet loaded' for all thumbs not loaded */
936 image = "\x12\x00"; /* this shouldn't occur naturally. */
937 }
938 if ( regularthumb )
939 {
940 CachedPixbuf *cp = NULL;
941 cp = g_malloc ( sizeof ( CachedPixbuf ) );
942 if ( dp->vtl->image_size == 128 )
943 cp->pixbuf = regularthumb;
944 else
945 {
946 cp->pixbuf = a_thumbnails_scale_pixbuf(regularthumb, dp->vtl->image_size, dp->vtl->image_size);
947 g_assert ( cp->pixbuf );
948 g_object_unref ( G_OBJECT(regularthumb) );
949 }
950 cp->image = g_strdup ( image );
951
952 /* needed so 'click picture' tool knows how big the pic is; we don't
953 * store it in cp because they may have been freed already. */
954 wp->image_width = gdk_pixbuf_get_width ( cp->pixbuf );
955 wp->image_height = gdk_pixbuf_get_height ( cp->pixbuf );
956
957 g_queue_push_head ( dp->vtl->image_cache, cp );
958 if ( dp->vtl->image_cache->length > dp->vtl->image_cache_size )
959 cached_pixbuf_free ( g_queue_pop_tail ( dp->vtl->image_cache ) );
960
961 pixbuf = cp->pixbuf;
962 }
963 else
964 {
965 pixbuf = a_thumbnails_get_default (); /* thumbnail not yet loaded */
966 }
967 }
968 if ( pixbuf )
969 {
970 gint w, h;
971 w = gdk_pixbuf_get_width ( pixbuf );
972 h = gdk_pixbuf_get_height ( pixbuf );
973
974 if ( x+(w/2) > 0 && y+(h/2) > 0 && x-(w/2) < dp->width && y-(h/2) < dp->height ) /* always draw within boundaries */
975 {
976 if ( dp->vtl->image_alpha == 255 )
977 vik_viewport_draw_pixbuf ( dp->vp, pixbuf, 0, 0, x - (w/2), y - (h/2), w, h );
978 else
979 vik_viewport_draw_pixbuf_with_alpha ( dp->vp, pixbuf, dp->vtl->image_alpha, 0, 0, x - (w/2), y - (h/2), w, h );
980 }
981 return; /* if failed to draw picture, default to drawing regular waypoint (below) */
982 }
983 }
984
985 /* DRAW ACTUAL DOT */
acaf7113
AF		 986 if ( wp->symbol && (sym = a_get_wp_sym(wp->symbol)) ) {
987 vik_viewport_draw_pixbuf ( dp->vp, sym, 0, 0, x - gdk_pixbuf_get_width(sym)/2, y - gdk_pixbuf_get_height(sym)/2, -1, -1 );
988 }
989 else if ( wp == dp->vtl->current_wp ) {
50a14534
EB		 990 switch ( dp->vtl->wp_symbol ) {
991 case WP_SYMBOL_FILLED_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - (dp->vtl->wp_size), y - (dp->vtl->wp_size), dp->vtl->wp_size*2, dp->vtl->wp_size*2 ); break;
992 case WP_SYMBOL_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, FALSE, x - (dp->vtl->wp_size), y - (dp->vtl->wp_size), dp->vtl->wp_size*2, dp->vtl->wp_size*2 ); break;
993 case WP_SYMBOL_CIRCLE: vik_viewport_draw_arc ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - dp->vtl->wp_size, y - dp->vtl->wp_size, dp->vtl->wp_size, dp->vtl->wp_size, 0, 360*64 ); break;
994 case WP_SYMBOL_X: vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x - dp->vtl->wp_size*2, y - dp->vtl->wp_size*2, x + dp->vtl->wp_size*2, y + dp->vtl->wp_size*2 );
995 vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x - dp->vtl->wp_size*2, y + dp->vtl->wp_size*2, x + dp->vtl->wp_size*2, y - dp->vtl->wp_size*2 );
996 }
997 }
998 else {
999 switch ( dp->vtl->wp_symbol ) {
1000 case WP_SYMBOL_FILLED_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - dp->vtl->wp_size/2, y - dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size ); break;
1001 case WP_SYMBOL_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, FALSE, x - dp->vtl->wp_size/2, y - dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size ); break;
1002 case WP_SYMBOL_CIRCLE: vik_viewport_draw_arc ( dp->vp, dp->vtl->waypoint_gc, TRUE, x-dp->vtl->wp_size/2, y-dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size, 0, 360*64 ); break;
1003 case WP_SYMBOL_X: vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x-dp->vtl->wp_size, y-dp->vtl->wp_size, x+dp->vtl->wp_size, y+dp->vtl->wp_size );
1004 vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x-dp->vtl->wp_size, y+dp->vtl->wp_size, x+dp->vtl->wp_size, y-dp->vtl->wp_size ); break;
1005 }
1006 }
1007
1008 if ( dp->vtl->drawlabels )
1009 {
1010 /* thanks to the GPSDrive people (Fritz Ganter et al.) for hints on this part ... yah, I'm too lazy to study documentation */
1011 gint width, height;
1012 pango_layout_set_text ( dp->vtl->wplabellayout, name, -1 );
1013 pango_layout_get_pixel_size ( dp->vtl->wplabellayout, &width, &height );
1014 vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_bg_gc, TRUE, x + dp->vtl->wp_size - 1, y-1,width+1,height-1);
1015 vik_viewport_draw_layout ( dp->vp, dp->vtl->waypoint_text_gc, x + dp->vtl->wp_size, y, dp->vtl->wplabellayout );
1016 }
1017 }
1018}
1019
1020void vik_trw_layer_draw ( VikTrwLayer *l, gpointer data )
1021{
1022 static struct DrawingParams dp;
1023 g_assert ( l != NULL );
1024
1025 init_drawing_params ( &dp, VIK_VIEWPORT(data) );
1026 dp.vtl = l;
1027
1028 if ( l->tracks_visible )
1029 g_hash_table_foreach ( l->tracks, (GHFunc) trw_layer_draw_track_cb, &dp );
1030
1031 if (l->waypoints_visible)
1032 g_hash_table_foreach ( l->waypoints, (GHFunc) trw_layer_draw_waypoint, &dp );
1033}
1034
1035static void trw_layer_free_track_gcs ( VikTrwLayer *vtl )
1036{
1037 int i;
1038 if ( vtl->track_bg_gc )
1039 {
1040 g_object_unref ( vtl->track_bg_gc );
1041 vtl->track_bg_gc = NULL;
1042 }
1043
1044 if ( ! vtl->track_gc )
1045 return;
1046 for ( i = vtl->track_gc->len - 1; i >= 0; i-- )
1047 g_object_unref ( g_array_index ( vtl->track_gc, GObject *, i ) );
1048 g_array_free ( vtl->track_gc, TRUE );
1049 vtl->track_gc = NULL;
1050}
1051
1052static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp )
1053{
1054 GdkGC *gc[ VIK_TRW_LAYER_TRACK_GC ];
1055 gint width = vtl->line_thickness;
1056
1057 if ( vtl->track_gc )
1058 trw_layer_free_track_gcs ( vtl );
1059
1060 if ( vtl->track_bg_gc )
1061 g_object_unref ( vtl->track_bg_gc );
1062 vtl->track_bg_gc = vik_viewport_new_gc ( vp, "#FFFFFF", width + vtl->bg_line_thickness );
1063
1064 vtl->track_gc = g_array_sized_new ( FALSE, FALSE, sizeof ( GdkGC * ), VIK_TRW_LAYER_TRACK_GC );
1065
1066 gc[0] = vik_viewport_new_gc ( vp, "#2d870a", width ); /* below range */
1067
1068 gc[1] = vik_viewport_new_gc ( vp, "#0a8742", width );
1069 gc[2] = vik_viewport_new_gc ( vp, "#0a8783", width );
1070 gc[3] = vik_viewport_new_gc ( vp, "#0a4d87", width );
1071 gc[4] = vik_viewport_new_gc ( vp, "#05469f", width );
1072 gc[5] = vik_viewport_new_gc ( vp, "#1b059f", width );
1073 gc[6] = vik_viewport_new_gc ( vp, "#2d059f", width );
1074 gc[7] = vik_viewport_new_gc ( vp, "#4a059f", width );
1075 gc[8] = vik_viewport_new_gc ( vp, "#84059f", width );
1076 gc[9] = vik_viewport_new_gc ( vp, "#96059f", width );
1077 gc[10] = vik_viewport_new_gc ( vp, "#f22ef2", width );
1078
1079 gc[11] = vik_viewport_new_gc ( vp, "#ff0000", width ); /* above range */
1080
1081 gc[12] = vik_viewport_new_gc ( vp, "#000000", width ); /* black / no speed data */
1082
1083 g_array_append_vals ( vtl->track_gc, gc, VIK_TRW_LAYER_TRACK_GC );
1084}
1085
1086VikTrwLayer *vik_trw_layer_create ( VikViewport *vp )
1087{
1088 VikTrwLayer *rv = vik_trw_layer_new ( 0 );
1089 PangoFontDescription *pfd;
1090 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
1091 pfd = pango_font_description_from_string (WAYPOINT_FONT);
1092 pango_layout_set_font_description (rv->wplabellayout, pfd);
1093 /* freeing PangoFontDescription, cause it has been copied by prev. call */
1094 pango_font_description_free (pfd);
1095
1096 vik_layer_rename ( VIK_LAYER(rv), vik_trw_layer_interface.name );
1097
1098 trw_layer_new_track_gcs ( rv, vp );
1099
1100 rv->waypoint_gc = vik_viewport_new_gc ( vp, "#000000", 2 );
1101 rv->waypoint_text_gc = vik_viewport_new_gc ( vp, "#FFFFFF", 1 );
1102 rv->waypoint_bg_gc = vik_viewport_new_gc ( vp, "#8383C4", 1 );
1103 gdk_gc_set_function ( rv->waypoint_bg_gc, GDK_AND );
1104
1105 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
1106
1107 rv->has_verified_thumbnails = FALSE;
1108 rv->wp_symbol = WP_SYMBOL_FILLED_SQUARE;
1109 rv->wp_size = 4;
1110
1111 rv->coord_mode = vik_viewport_get_coord_mode ( vp );
1112
1113 return rv;
1114}
1115
1116static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] )
1117{
1118 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1119
1120#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1121 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1122#else
1123 vik_treeview_add_sublayer ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1124#endif
1125
1126 *new_iter = *((GtkTreeIter *) pass_along[1]);
1127 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->tracks_iters, name, new_iter );
1128
1129 if ( ! track->visible )
1130 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1131}
1132
1133static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] )
1134{
1135 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1136#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1137 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1138#else
1139 vik_treeview_add_sublayer ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1140#endif
1141
1142 *new_iter = *((GtkTreeIter *) pass_along[1]);
1143 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->waypoints_iters, name, new_iter );
1144
1145 if ( ! wp->visible )
1146 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1147}
1148
1149
1150void vik_trw_layer_realize ( VikTrwLayer *vtl, VikTreeview *vt, GtkTreeIter *layer_iter )
1151{
1152 GtkTreeIter iter2;
1153 gpointer pass_along[5] = { &(vtl->tracks_iter), &iter2, vtl, vt, (gpointer) VIK_TRW_LAYER_SUBLAYER_TRACK };
1154
1155#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1156 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1157#else
1158 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1159#endif
1160 if ( ! vtl->tracks_visible )
1161 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->tracks_iter), FALSE );
1162
1163 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_realize_track, pass_along );
1164
1165#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1166 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1167#else
1168 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1169#endif
1170
1171 if ( ! vtl->waypoints_visible )
1172 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->waypoints_iter), FALSE );
1173
1174 pass_along[0] = &(vtl->waypoints_iter);
1175 pass_along[4] = (gpointer) VIK_TRW_LAYER_SUBLAYER_WAYPOINT;
1176
1177 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_realize_waypoint, pass_along );
1178
1179}
1180
1181gboolean vik_trw_layer_sublayer_toggle_visible ( VikTrwLayer *l, gint subtype, gpointer sublayer )
1182{
1183 switch ( subtype )
1184 {
1185 case VIK_TRW_LAYER_SUBLAYER_TRACKS: return (l->tracks_visible ^= 1);
1186 case VIK_TRW_LAYER_SUBLAYER_WAYPOINTS: return (l->waypoints_visible ^= 1);
1187 case VIK_TRW_LAYER_SUBLAYER_TRACK:
1188 {
1189 VikTrack *t = g_hash_table_lookup ( l->tracks, sublayer );
1190 if (t)
1191 return (t->visible ^= 1);
1192 else
1193 return TRUE;
1194 }
1195 case VIK_TRW_LAYER_SUBLAYER_WAYPOINT:
1196 {
1197 VikWaypoint *t = g_hash_table_lookup ( l->waypoints, sublayer );
1198 if (t)
1199 return (t->visible ^= 1);
1200 else
1201 return TRUE;
1202 }
1203 }
1204 return TRUE;
1205}
1206
1207GHashTable *vik_trw_layer_get_tracks ( VikTrwLayer *l )
1208{
1209 return l->tracks;
1210}
1211
1212GHashTable *vik_trw_layer_get_waypoints ( VikTrwLayer *l )
1213{
1214 return l->waypoints;
1215}
1216
1217static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] )
1218{
1219 static VikCoord fixme;
1220 vik_coord_copy_convert ( &(w->coord), VIK_COORD_LATLON, &fixme );
1221 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1222 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1223 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1224 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1225 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1226 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1227 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1228 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1229}
1230
1231static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] )
1232{
1233 GList *tr = *t;
1234 static VikCoord fixme;
1235
1236 while ( tr )
1237 {
1238 vik_coord_copy_convert ( &(VIK_TRACKPOINT(tr->data)->coord), VIK_COORD_LATLON, &fixme );
1239 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1240 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1241 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1242 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1243 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1244 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1245 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1246 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1247 tr = tr->next;
1248 }
1249}
1250
1251
1252gboolean vik_trw_layer_find_center ( VikTrwLayer *vtl, VikCoord *dest )
1253{
1254 /* TODO: what if there's only one waypoint @ 0,0, it will think nothing found. like I don't have more important things to worry about... */
1255 struct LatLon maxmin[2] = { {0.0,0.0}, {0.0,0.0} };
1256 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_find_maxmin_waypoints, maxmin );
1257 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_find_maxmin_tracks, maxmin );
1258 if (maxmin[0].lat == 0.0 && maxmin[0].lon == 0.0 && maxmin[1].lat == 0.0 && maxmin[1].lon == 0.0)
1259 return FALSE;
1260 else
1261 {
1262 struct LatLon average = { (maxmin[0].lat+maxmin[1].lat)/2, (maxmin[0].lon+maxmin[1].lon)/2 };
1263 vik_coord_load_from_latlon ( dest, vtl->coord_mode, &average );
1264 return TRUE;
1265 }
1266}
1267
1268static void trw_layer_centerize ( gpointer layer_and_vlp[2] )
1269{
1270 VikCoord coord;
1271 if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(layer_and_vlp[0]), &coord ) )
1272 goto_coord ( VIK_LAYERS_PANEL(layer_and_vlp[1]), &coord );
1273 else
1274 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "This layer has no waypoints or trackpoints." );
1275}
1276
1277static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type )
1278{
1279 GtkWidget *file_selector;
1280 const gchar *fn;
1281 gboolean failed = FALSE;
1282 file_selector = gtk_file_selection_new ("Export Layer");
1283
1284 while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_OK )
1285 {
1286 fn = gtk_file_selection_get_filename (GTK_FILE_SELECTION(file_selector) );
1287 if ( access ( fn, F_OK ) != 0 )
1288 {
1289 gtk_widget_hide ( file_selector );
1290 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1291 break;
1292 }
1293 else
1294 {
1295 if ( a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The file \"%s\" exists, do you wish to overwrite it?", a_file_basename ( fn ) ) )
1296 {
1297 gtk_widget_hide ( file_selector );
1298 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1299 break;
1300 }
1301 }
1302 }
1303 gtk_widget_destroy ( file_selector );
1304 if ( failed )
1305 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The filename you requested could not be opened for writing." );
1306}
1307
1308static void trw_layer_export_gpspoint ( gpointer layer_and_vlp[2] )
1309{
1310 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSPOINT );
1311}
1312
1313static void trw_layer_export_gpsmapper ( gpointer layer_and_vlp[2] )
1314{
1315 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSMAPPER );
1316}
1317
561e6ad0
EB		 1318static void trw_layer_export_gpx ( gpointer layer_and_vlp[2] )
1319{
1320 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPX );
1321}
1322
50a14534
EB		 1323static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] )
1324{
1325 GHashTable *wps = vik_trw_layer_get_waypoints ( VIK_TRW_LAYER(layer_and_vlp[0]) );
1326 GtkWidget *dia = gtk_dialog_new_with_buttons ("Create",
1327 VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]),
1328 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
1329 GTK_STOCK_CANCEL,
1330 GTK_RESPONSE_REJECT,
1331 GTK_STOCK_OK,
1332 GTK_RESPONSE_ACCEPT,
1333 NULL);
1334
1335 GtkWidget *label, *entry;
1336 label = gtk_label_new("Waypoint Name:");
1337 entry = gtk_entry_new();
1338
1339 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), label, FALSE, FALSE, 0);
1340 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), entry, FALSE, FALSE, 0);
1341 gtk_widget_show_all ( label );
1342 gtk_widget_show_all ( entry );
1343
1344 while ( gtk_dialog_run ( GTK_DIALOG(dia) ) == GTK_RESPONSE_ACCEPT )
1345 {
1346 VikWaypoint *wp;
1347 gchar *upname = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
1348 int i;
1349
1350 for ( i = strlen(upname)-1; i >= 0; i-- )
1351 upname[i] = toupper(upname[i]);
1352
1353 wp = g_hash_table_lookup ( wps, upname );
1354
1355 if (!wp)
1356 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "Waypoint not found in this layer." );
1357 else
1358 {
1359 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(layer_and_vlp[1])), &(wp->coord) );
1360 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(layer_and_vlp[1]) );
1361 vik_treeview_select_iter ( VIK_LAYER(layer_and_vlp[0])->vt, g_hash_table_lookup ( VIK_TRW_LAYER(layer_and_vlp[0])->waypoints_iters, upname ) );
1362 break;
1363 }
1364
1365 g_free ( upname );
1366
1367 }
1368 gtk_widget_destroy ( dia );
1369}
1370
1371gboolean vik_trw_layer_new_waypoint ( VikTrwLayer *vtl, GtkWindow *w, const VikCoord *def_coord )
1372{
1373 gchar *name;
acaf7113
AF		 1374 VikWaypoint *wp = vik_waypoint_new();
1375 wp->coord = *def_coord;
1376 wp->altitude = VIK_DEFAULT_ALTITUDE;
50a14534 1377
acaf7113 1378 if ( a_dialog_new_waypoint ( w, &name, wp, vik_trw_layer_get_waypoints ( vtl ), vtl->coord_mode ) )
50a14534 1379 {
50a14534
EB		 1380 vik_trw_layer_add_waypoint ( vtl, name, wp );
1381 return TRUE;
1382 }
acaf7113 1383 vik_waypoint_free(wp);
50a14534
EB		 1384 return FALSE;
1385}
1386
1387static void trw_layer_new_wp ( gpointer lav[2] )
1388{
1389 VikTrwLayer *vtl = VIK_TRW_LAYER(lav[0]);
1390 VikLayersPanel *vlp = VIK_LAYERS_PANEL(lav[1]);
1391 /* TODO longone: okay, if layer above (aggregate) is invisible but vtl->visible is true, this redraws for no reason.
1392 instead return true if you want to update. */
1393 if ( vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), vik_viewport_get_center(vik_layers_panel_get_viewport(vlp))) && VIK_LAYER(vtl)->visible )
1394 vik_layers_panel_emit_update ( vlp );
1395}
1396
1397void vik_trw_layer_add_menu_items ( VikTrwLayer *vtl, GtkMenu *menu, gpointer vlp )
1398{
1399 static gpointer pass_along[2];
1400 GtkWidget *item;
1401 pass_along[0] = vtl;
1402 pass_along[1] = vlp;
1403
1404 item = gtk_menu_item_new();
1405 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1406 gtk_widget_show ( item );
1407
1408 item = gtk_menu_item_new_with_label ( "Goto Center of Layer" );
1409 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_centerize), pass_along );
1410 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1411 gtk_widget_show ( item );
1412
1413 item = gtk_menu_item_new_with_label ( "Goto Waypoint" );
1414 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_wp), pass_along );
1415 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1416 gtk_widget_show ( item );
1417
1418 item = gtk_menu_item_new_with_label ( "Export Layer as GPSPoint" );
1419 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpspoint), pass_along );
1420 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1421 gtk_widget_show ( item );
1422
1423 item = gtk_menu_item_new_with_label ( "Export Layer as GPSMapper" );
1424 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpsmapper), pass_along );
1425 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1426 gtk_widget_show ( item );
1427
561e6ad0
EB		 1428 item = gtk_menu_item_new_with_label ( "Export Layer as GPX" );
1429 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpx), pass_along );
1430 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1431 gtk_widget_show ( item );
1432
50a14534
EB		 1433 item = gtk_menu_item_new_with_label ( "New Waypoint" );
1434 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
1435 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1436 gtk_widget_show ( item );
1437}
1438
1439void vik_trw_layer_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1440{
1441 if ( VIK_LAYER(vtl)->realized )
1442 {
1443 VikWaypoint *oldwp = VIK_WAYPOINT ( g_hash_table_lookup ( vtl->waypoints, name ) );
1444 if ( oldwp )
1445 wp->visible = oldwp->visible; /* same visibility so we don't have to update viktreeview */
1446 else
1447 {
1448 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1449#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1450 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1451#else
1452 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1453#endif
1454 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1455 g_hash_table_insert ( vtl->waypoints_iters, name, iter );
1456 wp->visible = TRUE;
1457 }
1458 }
1459 else
1460 wp->visible = TRUE;
1461
1462 g_hash_table_insert ( vtl->waypoints, name, wp );
1463
1464}
1465
1466void vik_trw_layer_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *t )
1467{
1468 if ( VIK_LAYER(vtl)->realized )
1469 {
1470 VikTrack *oldt = VIK_TRACK ( g_hash_table_lookup ( vtl->tracks, name ) );
1471 if ( oldt )
1472 t->visible = oldt->visible; /* same visibility so we don't have to update viktreeview */
1473 else
1474 {
1475 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1476#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1477 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1478#else
1479 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1480#endif
1481 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1482 g_hash_table_insert ( vtl->tracks_iters, name, iter );
1483 t->visible = TRUE;
1484 }
1485 }
1486 else
1487 t->visible = TRUE;
1488
1489 g_hash_table_insert ( vtl->tracks, name, t );
1490
1491}
1492
1493static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str )
1494{
1495 gchar *upp = g_strdup ( str );
1496 gboolean rv;
1497 char *tmp = upp;
1498 while ( *tmp )
1499 {
1500 *tmp = toupper(*tmp);
1501 tmp++;
1502 }
1503 rv = g_hash_table_lookup ( hash, upp ) ? TRUE : FALSE;
1504 g_free (upp);
1505 return rv;
1506}
1507
1508/* to be called whenever a track has been deleted or may have been changed. */
1509static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name )
1510{
1511 if (vtl->current_tp_track_name && g_strcasecmp(trk_name, vtl->current_tp_track_name) == 0)
1512 trw_layer_cancel_current_tp ( vtl, FALSE );
1513 else if (vtl->last_tp_track_name && g_strcasecmp(trk_name, vtl->last_tp_track_name) == 0)
1514 trw_layer_cancel_last_tp ( vtl );
1515}
1516
70a23263 1517static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
e4afc73a
EB		 1518{
1519 VikTreeview *vt = VIK_LAYER(vtl_src)->vt;
1520 if (!vik_treeview_item_get_pointer(vt, src_item_iter)) {
70a23263 1521 g_print("moving a trw container: not implemented yet.\n");
e4afc73a
EB		 1522 } else {
1523 gint type = vik_treeview_item_get_data(vt, src_item_iter);
1524 gchar *name = vik_treeview_item_get_pointer(vt, src_item_iter);
92136662 1525 gint i = 2;
e4afc73a 1526
e4afc73a
EB		 1527 if (type==VIK_TRW_LAYER_SUBLAYER_TRACK) {
1528 VikTrack *t;
92136662
AF		 1529 gchar *newname = g_strdup(name);
1530 while (vik_trw_layer_get_track(vtl_dest, newname)) {
1531 gchar *new_newname = g_strdup_printf("%s#%d", name, i);
1532 g_free(newname);
1533 newname = new_newname;
1534 i++;
1535 }
1536 t = vik_track_copy(vik_trw_layer_get_track(vtl_src, name));
e4afc73a
EB		 1537 vik_trw_layer_delete_track(vtl_src, name);
1538 vik_trw_layer_add_track(vtl_dest, newname, t);
1539 }
1540 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINT) {
1541 VikWaypoint *w;
92136662
AF		 1542 gchar *newname = g_strdup(name);
1543 while (vik_trw_layer_get_waypoint(vtl_dest, newname)) {
1544 gchar *new_newname = g_strdup_printf("%s#%d", name, i);
1545 g_free(newname);
1546 newname = new_newname;
1547 i++;
1548 }
1549 w = vik_waypoint_copy(vik_trw_layer_get_waypoint(vtl_src, name));
e4afc73a
EB		 1550 vik_trw_layer_delete_waypoint(vtl_src, name);
1551 vik_trw_layer_add_waypoint(vtl_dest, newname, w);
1552 }
1553 }
1554}
1555
1556
1557gboolean vik_trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name )
50a14534
EB		 1558{
1559 VikTrack *t = g_hash_table_lookup ( vtl->tracks, trk_name );
1560 gboolean was_visible = FALSE;
1561 if ( t )
1562 {
1563 GtkTreeIter *it;
1564 was_visible = t->visible;
1565 if ( t == vtl->current_track )
1566 vtl->current_track = NULL;
1567
1568 /* could be current_tp, so we have to check */
1569 trw_layer_cancel_tps_of_track ( vtl, trk_name );
1570
1571 g_assert ( ( it = g_hash_table_lookup ( vtl->tracks_iters, trk_name ) ) );
1572 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1573 g_hash_table_remove ( vtl->tracks_iters, trk_name );
1574
1575 /* do this last because trk_name may be pointing to actual orig key */
1576 g_hash_table_remove ( vtl->tracks, trk_name );
1577 }
1578 return was_visible;
1579}
1580
e4afc73a
EB		 1581gboolean vik_trw_layer_delete_waypoint ( VikTrwLayer *vtl, const gchar *wp_name )
1582{
1583 gboolean was_visible = FALSE;
1584 VikWaypoint *wp;
1585
1586 wp = g_hash_table_lookup ( vtl->waypoints, wp_name );
1587 if ( wp ) {
1588 GtkTreeIter *it;
1589
1590 if ( wp == vtl->current_wp ) {
1591 vtl->current_wp = NULL;
1592 vtl->current_wp_name = NULL;
1593 vtl->moving_wp = FALSE;
1594 }
1595
1596 was_visible = wp->visible;
1597 g_assert ( ( it = g_hash_table_lookup ( vtl->waypoints_iters, (gchar *) wp_name ) ) );
1598 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1599 g_hash_table_remove ( vtl->waypoints_iters, (gchar *) wp_name );
1600 g_hash_table_remove ( vtl->waypoints, wp_name ); /* last because this frees name */
1601 }
1602
1603 return was_visible;
1604}
1605
50a14534
EB		 1606static void trw_layer_delete_item ( gpointer pass_along[5] )
1607{
1608 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1609 gboolean was_visible = FALSE;
1610 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1611 {
e4afc73a 1612 was_visible = vik_trw_layer_delete_waypoint ( vtl, (gchar *) pass_along[3] );
50a14534
EB		 1613 }
1614 else
1615 {
e4afc73a 1616 was_visible = vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
50a14534 1617 }
50a14534
EB		 1618 if ( was_visible )
1619 vik_layer_emit_update ( VIK_LAYER(vtl) );
1620}
1621
1622
1623static void trw_layer_properties_item ( gpointer pass_along[5] )
1624{
1625 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1626 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1627 {
1628 VikWaypoint *wp = g_hash_table_lookup ( vtl->waypoints, pass_along[3] );
1629 if ( wp )
1630 {
1631 if ( a_dialog_new_waypoint ( VIK_GTK_WINDOW_FROM_LAYER(vtl), NULL, wp, NULL, vtl->coord_mode ) )
1632
1633 if ( VIK_LAYER(vtl)->visible )
1634 vik_layer_emit_update ( VIK_LAYER(vtl) );
1635 }
1636 }
1637 else
1638 {
1639 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, pass_along[3] );
1640 if ( tr )
1641 {
24d5c7e2 1642 gint resp = vik_trw_layer_propwin_run ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tr, pass_along[1] /* vlp */ );
50a14534
EB		 1643 if ( resp == VIK_TRW_LAYER_PROPWIN_DEL_DUP )
1644 {
1645 vik_track_remove_dup_points(tr);
1646 /* above operation could have deleted current_tp or last_tp */
1647 trw_layer_cancel_tps_of_track ( vtl, (gchar *) pass_along[3] );
1648 vik_layer_emit_update ( VIK_LAYER(vtl) );
1649 }
1650 if ( resp == VIK_TRW_LAYER_PROPWIN_REVERSE )
1651 {
1652 vik_track_reverse(tr);
1653 vik_layer_emit_update ( VIK_LAYER(vtl) );
1654 }
1655 else if ( resp == VIK_TRW_LAYER_PROPWIN_SPLIT )
1656 {
1657 /* get new tracks, add them, resolve naming conflicts (free if cancel), and delete old. old can still exist on clipboard. */
1658 guint ntracks;
1659 VikTrack **tracks = vik_track_split_into_segments(tr, &ntracks);
1660 gchar *new_tr_name;
1661 guint i;
1662 for ( i = 0; i < ntracks; i++ )
1663 {
1664 g_assert ( tracks[i] );
1665 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i+1);
1666 /* if ( (wp_exists) && (! overwrite) ) */
1667 /* don't need to upper case new_tr_name because old tr name was uppercase */
1668 if ( g_hash_table_lookup ( vtl->tracks, new_tr_name ) &&
1669 ( ! a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "The track \"%s\" exists, do you wish to overwrite it?", new_tr_name ) ) )
1670 {
1671 gchar *new_new_tr_name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks );
1672 g_free ( new_tr_name );
1673 if (new_new_tr_name)
1674 new_tr_name = new_new_tr_name;
1675 else
1676 {
1677 new_tr_name = NULL;
1678 vik_track_free ( tracks[i] );
1679 }
1680 }
1681 if ( new_tr_name )
1682 vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
1683
1684 }
1685 if ( tracks )
1686 {
1687 g_free ( tracks );
e4afc73a 1688 vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
50a14534
EB		 1689 vik_layer_emit_update ( VIK_LAYER(vtl) ); /* chase thru the hoops */
1690 }
1691 }
1692 }
1693 }
1694}
1695
1696static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord )
1697{
1698 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), coord );
1699 vik_layers_panel_emit_update ( vlp );
1700}
1701
1702static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] )
1703{
1704 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1705 if ( trps && trps->data )
1706 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1707}
1708
1709static void trw_layer_goto_track_center ( gpointer pass_along[5] )
1710{
1711 GList **trps = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1712 if ( trps && *trps )
1713 {
1714 struct LatLon average, maxmin[2] = { {0,0}, {0,0} };
1715 VikCoord coord;
1716 trw_layer_find_maxmin_tracks ( NULL, trps, maxmin );
1717 average.lat = (maxmin[0].lat+maxmin[1].lat)/2;
1718 average.lon = (maxmin[0].lon+maxmin[1].lon)/2;
1719 vik_coord_load_from_latlon ( &coord, VIK_TRW_LAYER(pass_along[0])->coord_mode, &average );
1720 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &coord);
1721 }
1722}
1723
1724static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] )
1725{
1726 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1727 if ( !trps )
1728 return;
111fa174 1729 trps = g_list_last(trps);
50a14534
EB		 1730 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1731}
1732
111fa174
AF		 1733
1734/*************************************
1735 * merge/split by time routines
1736 *************************************/
1737
1738/* called for each key in track hash table. if original track user_data[1] is close enough
1739 * to the passed one, add it to list in user_data[0]
1740 */
1741static void find_nearby_track(gpointer key, gpointer value, gpointer user_data)
1742{
1743 time_t t1, t2;
1744 VikTrackpoint *p1, *p2;
1745
1746 GList **nearby_tracks = ((gpointer *)user_data)[0];
1747 GList *orig_track = ((gpointer *)user_data)[1];
1748 guint thr = (guint)((gpointer *)user_data)[2];
1749
1750 t1 = VIK_TRACKPOINT(orig_track->data)->timestamp;
1751 t2 = VIK_TRACKPOINT(g_list_last(orig_track)->data)->timestamp;
1752
1753 if (VIK_TRACK(value)->trackpoints == orig_track) {
1754 return;
1755 }
1756
1757 p1 = VIK_TRACKPOINT(VIK_TRACK(value)->trackpoints->data);
1758 p2 = VIK_TRACKPOINT(g_list_last(VIK_TRACK(value)->trackpoints)->data);
1759
1760 if (!p1->has_timestamp || !p2->has_timestamp) {
70a23263 1761 g_print("no timestamp\n");
111fa174
AF		 1762 return;
1763 }
1764
70a23263 1765 /* g_print("Got track named %s, times %d, %d\n", (gchar *)key, p1->timestamp, p2->timestamp); */
111fa174
AF		 1766 if (abs(t1 - p2->timestamp) < thr*60 ||
1767 /* p1 p2 t1 t2 */
1768 abs(p1->timestamp - t2) < thr*60
1769 /* t1 t2 p1 p2 */
1770 ) {
1771 *nearby_tracks = g_list_prepend(*nearby_tracks, key);
1772 }
1773}
1774
1775/* comparison function used to sort tracks; a and b are hash table keys */
1776static gint track_compare(gconstpointer a, gconstpointer b, gpointer user_data)
1777{
1778 GHashTable *tracks = user_data;
1779 time_t t1, t2;
1780
1781 t1 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, a))->trackpoints->data)->timestamp;
1782 t2 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, b))->trackpoints->data)->timestamp;
1783
1784 if (t1 < t2) return -1;
1785 if (t1 > t2) return 1;
1786 return 0;
1787}
1788
1789/* comparison function used to sort trackpoints */
1790static gint trackpoint_compare(gconstpointer a, gconstpointer b)
1791{
1792 time_t t1 = VIK_TRACKPOINT(a)->timestamp, t2 = VIK_TRACKPOINT(b)->timestamp;
1793
1794 if (t1 < t2) return -1;
1795 if (t1 > t2) return 1;
1796 return 0;
1797}
1798
1799/* merge by time routine */
1800static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] )
1801{
1802 time_t t1, t2;
1803 GList *nearby_tracks = NULL;
1804 VikTrack *track;
1805 GList *trps;
1806 static guint thr = 1;
1807 guint track_count = 0;
1808 gchar *orig_track_name = strdup(pass_along[3]);
1809
1810 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
1811 "Merge Threshold...",
1812 "Merge when time between trackpoints less than:",
1813 &thr)) {
1814 return;
1815 }
1816
1817 /* merge tracks until we can't */
1818 do {
1819 gpointer params[3];
1820
1821 track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, orig_track_name );
1822 trps = track->trackpoints;
1823 if ( !trps )
1824 return;
1825
1826
1827 if (nearby_tracks) {
1828 g_list_free(nearby_tracks);
1829 nearby_tracks = NULL;
1830 }
1831
1832 t1 = ((VikTrackpoint *)trps->data)->timestamp;
1833 t2 = ((VikTrackpoint *)g_list_last(trps)->data)->timestamp;
1834
70a23263 1835 /* g_print("Original track times: %d and %d\n", t1, t2); */
111fa174
AF		 1836 params[0] = &nearby_tracks;
1837 params[1] = trps;
1838 params[2] = (gpointer)thr;
1839
1840 /* get a list of adjacent-in-time tracks */
1841 g_hash_table_foreach(VIK_TRW_LAYER(pass_along[0])->tracks, find_nearby_track, (gpointer)params);
1842
1843 /* add original track */
1844 nearby_tracks = g_list_prepend(nearby_tracks, orig_track_name);
1845
1846 /* sort by first trackpoint; assumes they don't overlap */
1847 nearby_tracks = g_list_sort_with_data(nearby_tracks, track_compare, VIK_TRW_LAYER(pass_along[0])->tracks);
1848
1849 /* merge them */
1850 {
1851#define get_track(x) VIK_TRACK(g_hash_table_lookup(VIK_TRW_LAYER(pass_along[0])->tracks, (gchar *)((x)->data)))
1852#define get_first_trackpoint(x) VIK_TRACKPOINT(get_track(x)->trackpoints->data)
1853#define get_last_trackpoint(x) VIK_TRACKPOINT(g_list_last(get_track(x)->trackpoints)->data)
1854 GList *l = nearby_tracks;
1855 VikTrack *tr = vik_track_new();
1856 tr->visible = track->visible;
1857 track_count = 0;
1858 while (l) {
1859 /*
1860 time_t t1, t2;
1861 t1 = get_first_trackpoint(l)->timestamp;
1862 t2 = get_last_trackpoint(l)->timestamp;
70a23263 1863 g_print(" %20s: track %d - %d\n", (char *)l->data, (int)t1, (int)t2);
111fa174
AF		 1864 */
1865
1866
1867 /* remove trackpoints from merged track, delete track */
1868 tr->trackpoints = g_list_concat(tr->trackpoints, get_track(l)->trackpoints);
1869 get_track(l)->trackpoints = NULL;
e4afc73a 1870 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), l->data);
111fa174
AF		 1871
1872 track_count ++;
1873 l = g_list_next(l);
1874 }
1875 tr->trackpoints = g_list_sort(tr->trackpoints, trackpoint_compare);
1876 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), strdup(orig_track_name), tr);
1877
1878#undef get_first_trackpoint
1879#undef get_last_trackpoint
1880#undef get_track
1881 }
1882 } while (track_count > 1);
1883 g_list_free(nearby_tracks);
1884 free(orig_track_name);
1885 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
1886}
1887
1888/* split by time routine */
1889static void trw_layer_split_by_timestamp ( gpointer pass_along[6] )
1890{
1891 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1892 GList *trps = track->trackpoints;
1893 GList *iter;
1894 GList *newlists = NULL;
1895 GList *newtps = NULL;
1896 guint i;
1897 static guint thr = 1;
1898
1899 time_t ts, prev_ts;
1900
1901 if ( !trps )
1902 return;
1903
1904 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
1905 "Split Threshold...",
1906 "Split when time between trackpoints exceeds:",
1907 &thr)) {
1908 return;
1909 }
1910
1911 /* iterate through trackpoints, and copy them into new lists without touching original list */
1912 prev_ts = VIK_TRACKPOINT(trps->data)->timestamp;
1913 iter = trps;
1914
1915 while (iter) {
1916 ts = VIK_TRACKPOINT(iter->data)->timestamp;
1917 if (ts < prev_ts) {
70a23263 1918 g_print("panic: ts < prev_ts: this should never happen!\n");
111fa174
AF		 1919 return;
1920 }
1921 if (ts - prev_ts > thr*60) {
1922 /* flush accumulated trackpoints into new list */
1923 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
1924 newtps = NULL;
1925 }
1926
1927 /* accumulate trackpoint copies in newtps, in reverse order */
1928 newtps = g_list_prepend(newtps, vik_trackpoint_copy(VIK_TRACKPOINT(iter->data)));
1929 prev_ts = ts;
1930 iter = g_list_next(iter);
1931 }
1932 if (newtps) {
1933 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
1934 }
1935
1936 /* put lists of trackpoints into tracks */
1937 iter = newlists;
1938 i = 1;
1939 while (iter) {
1940 gchar *new_tr_name;
1941 VikTrack *tr;
1942
1943 tr = vik_track_new();
1944 tr->visible = track->visible;
1945 tr->trackpoints = (GList *)(iter->data);
1946
1947 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i++);
1948 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), new_tr_name, tr);
70a23263 1949 /* g_print("adding track %s, times %d - %d\n", new_tr_name, VIK_TRACKPOINT(tr->trackpoints->data)->timestamp,
111fa174
AF		 1950 VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp);*/
1951
1952 iter = g_list_next(iter);
1953 }
1954 g_list_free(newlists);
e4afc73a 1955 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), (gchar *)pass_along[3]);
111fa174
AF		 1956 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
1957}
1958
1959/* end of split/merge routines */
1960
1961
50a14534
EB		 1962static void trw_layer_goto_waypoint ( gpointer pass_along[5] )
1963{
1964 VikWaypoint *wp = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->waypoints, pass_along[3] );
1965 if ( wp )
1966 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(wp->coord) );
1967}
1968
1969static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] )
1970{
1971 gchar *webpage = g_strdup_printf("http://www.geocaching.com/seek/cache_details.aspx?wp=%s", (gchar *) pass_along[3] );
1972#ifdef WINDOWS
1973 ShellExecute(NULL, NULL, (char *) webpage, NULL, ".\\", 0);
1974#else /* WINDOWS */
1975 GError *err = NULL;
1976 gchar *cmd = g_strdup_printf ( "%s %s", UNIX_WEB_BROWSER, webpage );
1977 if ( ! g_spawn_command_line_async ( cmd, &err ) )
1978 {
1979 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(pass_along[0])), "Could not launch web browser." );
1980 g_error_free ( err );
1981 }
1982 g_free ( cmd );
1983#endif /* WINDOWS */
1984 g_free ( webpage );
1985}
1986
1987const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
1988{
1989 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1990 {
1991 int i;
1992 gchar *rv;
1993 VikWaypoint *wp;
1994
1995 if ( strcasecmp ( newname, sublayer ) == 0 )
1996 return NULL;
1997
1998 if ( uppercase_exists_in_hash ( l->waypoints, newname ) )
1999 {
2000 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Waypoint Already Exists" );
2001 return NULL;
2002 }
2003
50a14534
EB		 2004 iter = g_hash_table_lookup ( l->waypoints_iters, sublayer );
2005 g_hash_table_steal ( l->waypoints_iters, sublayer );
2006
e4afc73a
EB		 2007 wp = vik_waypoint_copy ( VIK_WAYPOINT(g_hash_table_lookup ( l->waypoints, sublayer )) );
2008 g_hash_table_remove ( l->waypoints, sublayer );
2009
50a14534
EB		 2010 rv = g_strdup(newname);
2011 for ( i = strlen(rv) - 1; i >= 0; i-- )
2012 rv[i] = toupper(rv[i]);
2013
2014 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2015
2016 g_hash_table_insert ( l->waypoints, rv, wp );
2017 g_hash_table_insert ( l->waypoints_iters, rv, iter );
2018
2019 /* it hasn't been updated yet so we pass new name */
2020#ifdef VIK_CONFIG_ALPHABETIZED_TRW
2021 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2022#endif
2023
2024 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2025 return rv;
2026 }
2027 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2028 {
2029 int i;
2030 gchar *rv;
2031 VikTrack *tr;
2032 GtkTreeIter *iter;
2033 gchar *orig_key;
2034
2035 if ( strcasecmp ( newname, sublayer ) == 0 )
2036 return NULL;
2037
2038 if ( uppercase_exists_in_hash ( l->tracks, newname ) )
2039 {
2040 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Track Already Exists" );
2041 return NULL;
2042 }
2043
886031df 2044 g_hash_table_lookup_extended ( l->tracks, sublayer, (void *)&orig_key, (void *)&tr );
50a14534
EB		 2045 g_hash_table_steal ( l->tracks, sublayer );
2046
2047 iter = g_hash_table_lookup ( l->tracks_iters, sublayer );
2048 g_hash_table_steal ( l->tracks_iters, sublayer );
2049
2050 rv = g_strdup(newname);
2051 for ( i = strlen(rv) - 1; i >= 0; i-- )
2052 rv[i] = toupper(rv[i]);
2053
2054 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2055
2056 g_hash_table_insert ( l->tracks, rv, tr );
2057 g_hash_table_insert ( l->tracks_iters, rv, iter );
2058
2059 /* don't forget about current_tp_track_name, update that too */
2060 if ( l->current_tp_track_name && g_strcasecmp(orig_key,l->current_tp_track_name) == 0 )
2061 {
2062 l->current_tp_track_name = rv;
2063 if ( l->tpwin )
2064 vik_trw_layer_tpwin_set_track_name ( l->tpwin, rv );
2065 }
2066 else if ( l->last_tp_track_name && g_strcasecmp(orig_key,l->last_tp_track_name) == 0 )
2067 l->last_tp_track_name = rv;
2068
2069 g_free ( orig_key );
2070
2071#ifdef VIK_CONFIG_ALPHABETIZED_TRW
2072 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2073#endif
2074
2075 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2076 return rv;
2077 }
2078 return NULL;
2079}
2080
2081static gboolean is_valid_geocache_name ( gchar *str )
2082{
2083 gint len = strlen ( str );
2084 return len >= 3 && len <= 6 && str[0] == 'G' && str[1] == 'C' && isalnum(str[2]) && (len < 4 || isalnum(str[3])) && (len < 5 || isalnum(str[4])) && (len < 6 || isalnum(str[5]));
2085}
2086
2087/* vlp can be NULL if necessary - i.e. right-click from a tool -- but be careful, some functions may try to use it */
2088gboolean vik_trw_layer_sublayer_add_menu_items ( VikTrwLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2089{
2090 static GtkTreeIter staticiter;
2091 static gpointer pass_along[5];
2092 GtkWidget *item;
2093 gboolean rv = FALSE;
2094
2095 pass_along[0] = l;
2096 pass_along[1] = vlp;
2097 pass_along[2] = (gpointer) subtype;
2098 pass_along[3] = sublayer;
2099 staticiter = *iter; /* will exist after function has ended */
2100 pass_along[4] = &staticiter;
2101
2102 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT || subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2103 {
2104 rv = TRUE;
2105
2106 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
2107 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_properties_item), pass_along );
2108 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2109 gtk_widget_show ( item );
2110
2111 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
2112 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_delete_item), pass_along );
2113 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2114 gtk_widget_show ( item );
2115
2116 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2117 {
2118 /* could be a right-click using the tool */
2119 if ( vlp != NULL ) {
2120 item = gtk_menu_item_new_with_label ( "Goto" );
2121 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_waypoint), pass_along );
2122 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2123 gtk_widget_show ( item );
2124 }
2125
2126 if ( is_valid_geocache_name ( (gchar *) sublayer ) )
2127 {
2128 item = gtk_menu_item_new_with_label ( "Visit Geocache Webpage" );
2129 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_waypoint_gc_webpage), pass_along );
2130 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2131 gtk_widget_show ( item );
2132 }
2133
2134 }
2135 }
2136
2137 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2138 {
2139 item = gtk_menu_item_new ();
2140 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2141 gtk_widget_show ( item );
2142
2143 item = gtk_menu_item_new_with_label ( "Goto Startpoint" );
2144 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_startpoint), pass_along );
2145 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2146 gtk_widget_show ( item );
2147
2148 item = gtk_menu_item_new_with_label ( "Goto \"Center\"" );
2149 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_center), pass_along );
2150 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2151 gtk_widget_show ( item );
2152
2153 item = gtk_menu_item_new_with_label ( "Goto Endpoint" );
2154 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_endpoint), pass_along );
2155 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2156 gtk_widget_show ( item );
111fa174
AF		 2157
2158 item = gtk_menu_item_new_with_label ( "Merge By Time" );
2159 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_merge_by_timestamp), pass_along );
2160 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2161 gtk_widget_show ( item );
2162
2163 item = gtk_menu_item_new_with_label ( "Split By Time" );
2164 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_split_by_timestamp), pass_along );
2165 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2166 gtk_widget_show ( item );
50a14534
EB		 2167 }
2168
2169 if ( vlp && (subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINTS || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT) )
2170 {
2171 item = gtk_menu_item_new ();
2172 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2173 gtk_widget_show ( item );
2174
2175 item = gtk_menu_item_new_with_label ( "New Waypoint" );
2176 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
2177 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2178 gtk_widget_show ( item );
2179 }
2180
2181 return rv;
2182}
2183
2184/* Params are: vvp, event, last match found or NULL */
2185static void tool_show_picture_wp ( char *name, VikWaypoint *wp, gpointer params[2] )
2186{
2187 if ( wp->image && wp->visible )
2188 {
2189 gint x, y, slackx, slacky;
2190 GdkEventButton *event = (GdkEventButton *) params[1];
2191
2192 vik_viewport_coord_to_screen ( VIK_VIEWPORT(params[0]), &(wp->coord), &x, &y );
2193 slackx = wp->image_width / 2;
2194 slacky = wp->image_height / 2;
2195 if ( x <= event->x + slackx && x >= event->x - slackx
2196 && y <= event->y + slacky && y >= event->y - slacky )
2197 {
2198 params[2] = wp->image; /* we've found a match. however continue searching
2199 * since we want to find the last match -- that
2200 * is, the match that was drawn last. */
2201 }
2202 }
2203}
2204
2205static gboolean tool_show_picture ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2206{
2207 gpointer params[3] = { vvp, event, NULL };
2208 g_hash_table_foreach ( vtl->waypoints, (GHFunc) tool_show_picture_wp, params );
2209 if ( params[2] )
2210 {
2211 /* thanks to the Gaim people for showing me ShellExecute and g_spawn_command_line_async */
2212#ifdef WINDOWS
2213 ShellExecute(NULL, NULL, (char *) params[2], NULL, ".\\", 0);
2214#else /* WINDOWS */
2215 GError *err = NULL;
2216 gchar *quoted_file = g_shell_quote ( (gchar *) params[2] );
2217 gchar *cmd = g_strdup_printf ( "eog %s", quoted_file );
2218 g_free ( quoted_file );
2219 if ( ! g_spawn_command_line_async ( cmd, &err ) )
2220 {
2221 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "Could not launch eog to open file." );
2222 g_error_free ( err );
2223 }
2224 g_free ( cmd );
2225#endif /* WINDOWS */
2226 return TRUE; /* found a match */
2227 }
2228 else
2229 return FALSE; /* go through other layers, searching for a match */
2230}
2231
2232static gboolean tool_new_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2233{
2234 VikCoord coord;
2235 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &coord );
2236 if (vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), &coord ) && VIK_LAYER(vtl)->visible)
2237 vik_layer_emit_update ( VIK_LAYER(vtl) );
2238 return TRUE;
2239}
2240
2241typedef struct {
2242 gint x, y;
2243 gint closest_x, closest_y;
2244 gchar *closest_track_name;
2245 VikTrackpoint *closest_tp;
2246 VikViewport *vvp;
2247 GList *closest_tpl;
2248} TPSearchParams;
2249
2250static void track_search_closest_tp ( gchar *name, VikTrack *t, TPSearchParams *params )
2251{
2252 GList *tpl = t->trackpoints;
2253 VikTrackpoint *tp;
2254
2255 if ( !t->visible )
2256 return;
2257
2258 while (tpl)
2259 {
2260 gint x, y;
2261 tp = VIK_TRACKPOINT(tpl->data);
2262
2263 vik_viewport_coord_to_screen ( params->vvp, &(tp->coord), &x, &y );
2264
2265 if ( abs (x - params->x) <= TRACKPOINT_SIZE_APPROX && abs (y - params->y) <= TRACKPOINT_SIZE_APPROX &&
2266 ((!params->closest_tp) || /* was the old trackpoint we already found closer than this one? */
2267 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2268 {
2269 params->closest_track_name = name;
2270 params->closest_tp = tp;
2271 params->closest_tpl = tpl;
2272 params->closest_x = x;
2273 params->closest_y = y;
2274 }
2275 tpl = tpl->next;
2276 }
2277}
2278
2279/* to be called when last_tpl no long exists. */
2280static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl )
2281{
2282 if ( vtl->tpwin ) /* can't join with a non-existant TP. */
2283 vik_trw_layer_tpwin_disable_join ( vtl->tpwin );
2284 vtl->last_tpl = NULL;
2285 vtl->last_tp_track_name = NULL;
2286}
2287
2288static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy )
2289{
2290 if ( vtl->tpwin )
2291 {
2292 if ( destroy)
2293 {
2294 gtk_widget_destroy ( GTK_WIDGET(vtl->tpwin) );
2295 vtl->tpwin = NULL;
2296 }
2297 else
2298 vik_trw_layer_tpwin_set_empty ( vtl->tpwin );
2299 }
2300 if ( vtl->current_tpl )
2301 {
2302 vtl->current_tpl = NULL;
2303 vtl->current_tp_track_name = NULL;
2304 vik_layer_emit_update(VIK_LAYER(vtl));
2305 }
2306}
2307
2308static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response )
2309{
2310 g_assert ( vtl->tpwin != NULL );
2311 if ( response == VIK_TRW_LAYER_TPWIN_CLOSE )
2312 trw_layer_cancel_current_tp ( vtl, TRUE );
2313 else if ( response == VIK_TRW_LAYER_TPWIN_SPLIT && vtl->current_tpl->next && vtl->current_tpl->prev )
2314 {
2315 gchar *name;
2316 if ( ( name = a_dialog_new_track ( GTK_WINDOW(vtl->tpwin), vtl->tracks ) ) )
2317 {
2318 VikTrack *tr = vik_track_new ();
2319 GList *newglist = g_list_alloc ();
2320 newglist->prev = NULL;
2321 newglist->next = vtl->current_tpl->next;
2322 newglist->data = vik_trackpoint_copy(VIK_TRACKPOINT(vtl->current_tpl->data));
2323 tr->trackpoints = newglist;
2324
2325 vtl->current_tpl->next->prev = newglist; /* end old track here */
2326 vtl->current_tpl->next = NULL;
2327
2328 vtl->current_tpl = newglist; /* change tp to first of new track. */
2329 vtl->current_tp_track_name = name;
2330
2331 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2332
2333 vik_trw_layer_add_track ( vtl, name, tr );
2334 vik_layer_emit_update(VIK_LAYER(vtl));
2335 }
2336 }
2337 else if ( response == VIK_TRW_LAYER_TPWIN_DELETE )
2338 {
2339 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2340 GList *new_tpl;
2341 g_assert(tr != NULL);
2342
2343 /* can't join with a non-existent trackpoint */
2344 vtl->last_tpl = NULL;
2345 vtl->last_tp_track_name = NULL;
2346
2347 if ( (new_tpl = vtl->current_tpl->next) || (new_tpl = vtl->current_tpl->prev) )
2348 {
2349 if ( VIK_TRACKPOINT(vtl->current_tpl->data)->newsegment && vtl->current_tpl->next )
2350 VIK_TRACKPOINT(vtl->current_tpl->next->data)->newsegment = TRUE; /* don't concat segments on del */
2351
2352 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl ); /* this nulls current_tpl->prev and next */
2353
2354 /* at this point the old trackpoint exists, but the list links are correct (new), so it is safe to do this. */
2355 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, new_tpl, vtl->current_tp_track_name );
2356
2357 trw_layer_cancel_last_tp ( vtl );
2358
2359 g_free ( vtl->current_tpl->data ); /* TODO: vik_trackpoint_free() */
2360 g_list_free_1 ( vtl->current_tpl );
2361 vtl->current_tpl = new_tpl;
2362 vik_layer_emit_update(VIK_LAYER(vtl));
2363 }
2364 else
2365 {
2366 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl );
2367 g_free ( vtl->current_tpl->data ); /* TODO longone: vik_trackpoint_new() and vik_trackpoint_free() */
2368 g_list_free_1 ( vtl->current_tpl );
2369 trw_layer_cancel_current_tp ( vtl, FALSE );
2370 }
2371 }
2372 else if ( response == VIK_TRW_LAYER_TPWIN_FORWARD && vtl->current_tpl->next )
2373 {
2374 vtl->last_tpl = vtl->current_tpl;
2375 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->next, vtl->current_tp_track_name );
2376 vik_layer_emit_update(VIK_LAYER(vtl)); /* TODO longone: either move or only update if tp is inside drawing window */
2377 }
2378 else if ( response == VIK_TRW_LAYER_TPWIN_BACK && vtl->current_tpl->prev )
2379 {
2380 vtl->last_tpl = vtl->current_tpl;
2381 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->prev, vtl->current_tp_track_name );
2382 vik_layer_emit_update(VIK_LAYER(vtl));
2383 }
2384 else if ( response == VIK_TRW_LAYER_TPWIN_JOIN )
2385 {
2386 VikTrack *tr1 = g_hash_table_lookup ( vtl->tracks, vtl->last_tp_track_name );
2387 VikTrack *tr2 = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2388
2389 VikTrack *tr_first = tr1, *tr_last = tr2;
2390
2391 gchar *tmp;
2392
2393 if ( (!vtl->last_tpl->next) && (!vtl->current_tpl->next) ) /* both endpoints */
2394 vik_track_reverse ( tr2 ); /* reverse the second, that way second track clicked will be later. */
2395 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->prev) )
2396 vik_track_reverse ( tr1 );
2397 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->next) ) /* clicked startpoint, then endpoint -- concat end to start */
2398 {
2399 tr_first = tr2;
2400 tr_last = tr1;
2401 }
2402 /* default -- clicked endpoint then startpoint -- connect endpoint to startpoint */
2403
2404 if ( tr_last->trackpoints ) /* deleting this part here joins them into 1 segmented track. useful but there's no place in the UI for this feature. segments should be deprecated anyway. */
2405 VIK_TRACKPOINT(tr_last->trackpoints->data)->newsegment = FALSE;
2406 tr1->trackpoints = g_list_concat ( tr_first->trackpoints, tr_last->trackpoints );
2407 tr2->trackpoints = NULL;
2408
2409 tmp = vtl->current_tp_track_name;
2410
2411 vtl->current_tp_track_name = vtl->last_tp_track_name; /* current_tp stays the same (believe it or not!) */
2412 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2413
2414 /* if we did this before, trw_layer_delete_track would have canceled the current tp because
2415 * it was the current track. canceling the current tp would have set vtl->current_tpl to NULL */
e4afc73a 2416 vik_trw_layer_delete_track ( vtl, tmp );
50a14534
EB		 2417
2418 trw_layer_cancel_last_tp ( vtl ); /* same TP, can't join. */
2419 vik_layer_emit_update(VIK_LAYER(vtl));
2420 }
2421 else if ( response == VIK_TRW_LAYER_TPWIN_DATA_CHANGED )
2422 vik_layer_emit_update (VIK_LAYER(vtl));
2423}
2424
2425static void trw_layer_tpwin_init ( VikTrwLayer *vtl )
2426{
2427 if ( ! vtl->tpwin )
2428 {
2429 vtl->tpwin = vik_trw_layer_tpwin_new ( VIK_GTK_WINDOW_FROM_LAYER(vtl) );
2430 g_signal_connect_swapped ( GTK_DIALOG(vtl->tpwin), "response", G_CALLBACK(trw_layer_tpwin_response), vtl );
2431 /* connect signals -- DELETE SIGNAL VERY IMPORTANT TO SET TO NULL */
2432 g_signal_connect_swapped ( vtl->tpwin, "delete-event", G_CALLBACK(trw_layer_cancel_current_tp), vtl );
2433 gtk_widget_show_all ( GTK_WIDGET(vtl->tpwin) );
2434 }
2435 if ( vtl->current_tpl )
2436 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2437 /* set layer name and TP data */
2438}
2439
2440static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2441{
2442 TPSearchParams params;
2443 params.x = x;
2444 params.y = y;
2445 params.vvp = vvp;
2446 params.closest_track_name = NULL;
2447 params.closest_tp = NULL;
2448 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2449 return params.closest_tp;
2450}
2451
2452static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2453{
2454 if ( vtl->moving_tp )
2455 {
2456 /* vtl->moving_tp_x, vtl->moving_tp_y, etc. */
2457 VikCoord new_coord;
2458 vtl->moving_tp = FALSE;
2459 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2460
2461 /* snap to TP */
2462 if ( event->state & GDK_CONTROL_MASK )
2463 {
2464 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2465 if ( tp && tp != vtl->current_tpl->data )
2466 new_coord = tp->coord;
2467 }
2468
2469 VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
2470
2471 /* diff dist is diff from orig */
2472 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2473 /* can't join with itself! */
2474 trw_layer_cancel_last_tp ( vtl );
2475
2476 vik_layer_emit_update ( VIK_LAYER(vtl) );
2477 return TRUE;
2478 }
2479 return FALSE;
2480}
2481
2482static gboolean tool_edit_trackpoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2483{
2484 TPSearchParams params;
2485 /* OUTDATED DOCUMENTATION:
2486 find 5 pixel range on each side. then put these UTM, and a pointer
2487 to the winning track name (and maybe the winning track itself), and a
2488 pointer to the winning trackpoint, inside an array or struct. pass
2489 this along, do a foreach on the tracks which will do a foreach on the
2490 trackpoints. */
2491 params.vvp = vvp;
2492 params.x = event->x;
2493 params.y = event->y;
2494 params.closest_track_name = NULL;
2495 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2496 params.closest_tp = NULL;
2497
2498 if ( vtl->current_tpl )
2499 {
2500 /* first check if it is within range of prev. tp. and if current_tp track is shown. (if it is, we are moving that trackpoint.) */
2501 VikTrackpoint *tp = VIK_TRACKPOINT(vtl->current_tpl->data);
2502 VikTrack *current_tr = VIK_TRACK(g_hash_table_lookup(vtl->tracks, vtl->current_tp_track_name));
2503 gint x, y;
2504 g_assert ( current_tr );
2505
2506 vik_viewport_coord_to_screen ( vvp, &(tp->coord), &x, &y );
2507
2508 if ( current_tr->visible &&
2509 abs(x - event->x) < TRACKPOINT_SIZE_APPROX &&
2510 abs(y - event->y) < TRACKPOINT_SIZE_APPROX )
2511 {
2512 vtl->moving_tp = TRUE;
2513 return TRUE;
2514 }
2515
2516 vtl->last_tpl = vtl->current_tpl;
2517 vtl->last_tp_track_name = vtl->current_tp_track_name;
2518 }
2519
2520 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2521
2522 if ( params.closest_tp )
2523 {
2524 vtl->current_tpl = params.closest_tpl;
2525 vtl->current_tp_track_name = params.closest_track_name;
2526 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->tracks_iters, vtl->current_tp_track_name ) );
2527 trw_layer_tpwin_init ( vtl );
2528 vik_layer_emit_update ( VIK_LAYER(vtl) );
2529 return TRUE;
2530 }
2531
2532
2533 /* these aren't the droids you're looking for */
2534 return FALSE;
2535}
2536
2537typedef struct {
2538 gint x, y;
2539 gint closest_x, closest_y;
2540 gchar *closest_wp_name;
2541 VikWaypoint *closest_wp;
2542 VikViewport *vvp;
2543} WPSearchParams;
2544
2545static void waypoint_search_closest_tp ( gchar *name, VikWaypoint *wp, WPSearchParams *params )
2546{
2547 gint x, y;
2548 if ( !wp->visible )
2549 return;
2550
2551 vik_viewport_coord_to_screen ( params->vvp, &(wp->coord), &x, &y );
2552
2553 if ( abs (x - params->x) <= WAYPOINT_SIZE_APPROX && abs (y - params->y) <= WAYPOINT_SIZE_APPROX &&
2554 ((!params->closest_wp) || /* was the old waypoint we already found closer than this one? */
2555 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2556 {
2557 params->closest_wp_name = name;
2558 params->closest_wp = wp;
2559 params->closest_x = x;
2560 params->closest_y = y;
2561 }
2562}
2563
2564static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2565{
2566 if ( vtl->moving_wp )
2567 {
2568 VikCoord new_coord;
2569 vtl->moving_wp = FALSE;
2570 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2571
2572 /* snap to TP */
2573 if ( event->state & GDK_CONTROL_MASK )
2574 {
2575 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2576 if ( tp )
2577 new_coord = tp->coord;
2578 }
2579
2580 /* snap to WP */
2581 if ( event->state & GDK_SHIFT_MASK )
2582 {
2583 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2584 if ( wp && wp != vtl->current_wp )
2585 new_coord = wp->coord;
2586 }
2587
2588 vtl->current_wp->coord = new_coord;
2589 vik_layer_emit_update ( VIK_LAYER(vtl) );
2590 return TRUE;
2591 }
2592 /* PUT IN RIGHT PLACE!!! */
2593 if ( vtl->waypoint_rightclick )
2594 {
2595 if ( vtl->wp_right_click_menu )
2596 gtk_object_sink ( GTK_OBJECT(vtl->wp_right_click_menu) );
2597 vtl->wp_right_click_menu = GTK_MENU ( gtk_menu_new () );
2598 vik_trw_layer_sublayer_add_menu_items ( vtl, vtl->wp_right_click_menu, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, vtl->current_wp_name, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2599 gtk_menu_popup ( vtl->wp_right_click_menu, NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time() );
2600 vtl->waypoint_rightclick = FALSE;
2601 }
2602 return FALSE;
2603}
2604
2605static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2606{
2607 WPSearchParams params;
2608 params.x = x;
2609 params.y = y;
2610 params.vvp = vvp;
2611 params.closest_wp = NULL;
2612 params.closest_wp_name = NULL;
2613 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2614 return params.closest_wp;
2615}
2616
2617static gboolean tool_edit_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2618{
2619 WPSearchParams params;
2620
2621 if ( vtl->current_wp && vtl->current_wp->visible )
2622 {
2623 /* first check if current WP is within area (other may be 'closer', but we want to move the current) */
2624 gint x, y;
2625 vik_viewport_coord_to_screen ( vvp, &(vtl->current_wp->coord), &x, &y );
2626
2627 if ( abs(x - event->x) < WAYPOINT_SIZE_APPROX &&
2628 abs(y - event->y) < WAYPOINT_SIZE_APPROX )
2629 {
2630 if ( event->button == 3 )
2631 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2632 else
2633 vtl->moving_wp = TRUE;
2634 return TRUE;
2635 }
2636 }
2637
2638 params.vvp = vvp;
2639 params.x = event->x;
2640 params.y = event->y;
2641 params.closest_wp_name = NULL;
2642 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2643 params.closest_wp = NULL;
2644 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2645 if ( vtl->current_wp == params.closest_wp && vtl->current_wp != NULL )
2646 {
2647 vtl->moving_wp = TRUE;
2648 }
2649 else if ( params.closest_wp )
2650 {
2651 if ( event->button == 3 )
2652 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2653 else
2654 vtl->waypoint_rightclick = FALSE;
2655
2656 vtl->current_wp = params.closest_wp;
2657 vtl->current_wp_name = params.closest_wp_name;
2658 vtl->moving_wp = FALSE;
2659
2660 if ( params.closest_wp )
2661 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2662
2663 /* could make it so don't update if old WP is off screen and new is null but oh well */
2664 vik_layer_emit_update ( VIK_LAYER(vtl) );
2665 return TRUE;
2666 }
2667
2668 vtl->current_wp = NULL;
2669 vtl->current_wp_name = NULL;
2670 vtl->moving_wp = FALSE;
2671 vtl->waypoint_rightclick = FALSE;
2672 return FALSE;
2673}
2674
2675static gboolean tool_new_track ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2676{
2677 VikTrackpoint *tp;
2678
2679 if ( event->button == 3 && vtl->current_track )
2680 {
2681 /* undo */
2682 if ( vtl->current_track->trackpoints )
2683 {
2684 GList *last = g_list_last(vtl->current_track->trackpoints);
2685 g_free ( last->data );
2686 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2687 }
2688 vik_layer_emit_update ( VIK_LAYER(vtl) );
2689 return TRUE;
2690 }
2691
2692 if ( event->type == GDK_2BUTTON_PRESS )
2693 {
2694 /* subtract last (duplicate from double click) tp then end */
2695 if ( vtl->current_track && vtl->current_track->trackpoints && vtl->ct_x1 == vtl->ct_x2 && vtl->ct_y1 == vtl->ct_y2 )
2696 {
2697 GList *last = g_list_last(vtl->current_track->trackpoints);
2698 g_free ( last->data );
2699 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2700 /* undo last, then end */
2701 vtl->current_track = NULL;
2702 }
2703 return TRUE;
2704 }
2705
2706 if ( ! vtl->current_track )
2707 {
2708 gchar *name;
2709 if ( ( name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks ) ) )
2710 {
2711 vtl->current_track = vik_track_new();
2712 vtl->current_track->visible = TRUE;
2713 vik_trw_layer_add_track ( vtl, name, vtl->current_track );
2714 }
2715 else
2716 return TRUE;
2717 }
2718 tp = vik_trackpoint_new();
2719 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &(tp->coord) );
2720
2721 /* snap to other TP */
2722 if ( event->state & GDK_CONTROL_MASK )
2723 {
2724 VikTrackpoint *other_tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2725 if ( other_tp )
2726 tp->coord = other_tp->coord;
2727 }
2728
2729 tp->newsegment = FALSE;
2730 tp->has_timestamp = FALSE;
2731 tp->timestamp = 0;
2732 tp->altitude = VIK_DEFAULT_ALTITUDE;
2733 vtl->current_track->trackpoints = g_list_append ( vtl->current_track->trackpoints, tp );
2734
2735 vtl->ct_x1 = vtl->ct_x2;
2736 vtl->ct_y1 = vtl->ct_y2;
2737 vtl->ct_x2 = event->x;
2738 vtl->ct_y2 = event->y;
2739
2740 vik_layer_emit_update ( VIK_LAYER(vtl) );
2741 return TRUE;
2742}
2743
2744static void image_wp_make_list ( char *name, VikWaypoint *wp, GSList **pics )
2745{
2746 if ( wp->image && ( ! a_thumbnails_exists ( wp->image ) ) )
2747 *pics = g_slist_append ( *pics, (gpointer) g_strdup ( wp->image ) );
2748}
2749
2750static void create_thumbnails_thread ( GSList *pics, gpointer threaddata )
2751{
2752 guint total = g_slist_length(pics), done = 0;
2753 while ( pics )
2754 {
2755 a_thumbnails_create ( (gchar *) pics->data );
2756 a_background_thread_progress ( threaddata, ((gdouble) ++done) / total );
2757 pics = pics->next;
2758 }
2759}
2760
2761static void free_pics_slist ( GSList *pics )
2762{
2763 while ( pics )
2764 {
2765 g_free ( pics->data );
2766 pics = g_slist_delete_link ( pics, pics );
2767 }
2768}
2769
2770static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp )
2771{
2772 if ( ! vtl->has_verified_thumbnails )
2773 {
2774 GSList *pics = NULL;
2775 g_hash_table_foreach ( vtl->waypoints, (GHFunc) image_wp_make_list, &pics );
2776 if ( pics )
2777 {
2778 gint len = g_slist_length ( pics );
2779 gchar *tmp = g_strdup_printf ( "Creating %d Image Thumbnails...", len );
2780 a_background_thread ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tmp, (vik_thr_func) create_thumbnails_thread, pics, (vik_thr_free_func) free_pics_slist, NULL, len );
2781 g_free ( tmp );
2782 }
2783 }
2784}
2785
2786VikCoordMode vik_trw_layer_get_coord_mode ( VikTrwLayer *vtl )
2787{
2788 return vtl->coord_mode;
2789}
2790
2791
2792
2793static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode )
2794{
2795 vik_coord_convert ( &(wp->coord), *dest_mode );
2796}
2797
2798static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode )
2799{
2800 vik_track_convert ( tr, *dest_mode );
2801}
2802
2803static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode )
2804{
2805 if ( vtl->coord_mode != dest_mode )
2806 {
2807 vtl->coord_mode = dest_mode;
2808 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_convert, &dest_mode );
2809 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_convert, &dest_mode );
2810 }
2811}
e4afc73a
EB		 2812
2813VikWaypoint *vik_trw_layer_get_waypoint ( VikTrwLayer *vtl, gchar *name )
2814{
2815 return g_hash_table_lookup ( vtl->waypoints, name );
2816}
2817
2818VikTrack *vik_trw_layer_get_track ( VikTrwLayer *vtl, gchar *name )
2819{
2820 return g_hash_table_lookup ( vtl->tracks, name );
2821}
Viking GPS editor